Sitcoms in the 1950's were, by today's standard, very stereotypical. There was no focus on minorities or family issues that were taboo at the time. They portrayed normal white middle-class families with a houswife, two children, and a hard working father. Think of Leave It To Beaver or I Love Lucy type shows.
100%/x%=108/81
(100/x)*x=(108/81)*x - we multiply both sides of the equation by x
100=1.33333333333*x - we divide both sides of the equation by (1.33333333333) to get x
100/1.33333333333=x
75=x
x=75
I cant tell u on the site i posted the answer on answers.com
Middle colonies, Pennsylvania.
What period post another question showing the period and I can help.