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Finding the Fourth Proportional to 222,236.68, 306,691.86 and 126,741.32

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Solution

The fourth proportional to 222,236.68, 306,691.86 and 126,741.32 is: 174,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,236.68 : 306,691.86 = 126,741.32 : x
  2. Step 2: Convert to fraction form
    222,236.68/306,691.86 = 126,741.32/x
  3. Step 3: Cross multiply
    222,236.68x = 306,691.86 × 126,741.32
  4. Step 4: Simplify right side
    222,236.68x = 38,870,531,169.66
  5. Step 5: Solve for x
    x = 38,870,531,169.66/222,236.68
  6. Step 6: Final answer
    x = 174,906.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.