Solve each ratio problem below for $x$.

1. Forty-two percent of $x$ is $112$.

   Step (a):

   0.42x = 112

   Answer (a):

   x ≈ 266.67

2. Forty-two is $x$ percent of $112$.

   Step (b):

   $42=112\frac{x}{100}$

   Answer (b):

   x = 37.5

3. Twenty-seven is $x$ percent of $100$.

   Hint (c):

   See part (b).

4. Twenty-seven percent of $500$ is $x$.

   Step (d):

   $0.27\left(500\right) = x$