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Finding the Fourth Proportional to 157,773.68, 217,727.16 and 94,114.16

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Solution

The fourth proportional to 157,773.68, 217,727.16 and 94,114.16 is: 129,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,773.68 : 217,727.16 = 94,114.16 : x
  2. Step 2: Convert to fraction form
    157,773.68/217,727.16 = 94,114.16/x
  3. Step 3: Cross multiply
    157,773.68x = 217,727.16 × 94,114.16
  4. Step 4: Simplify right side
    157,773.68x = 20,491,208,772.59
  5. Step 5: Solve for x
    x = 20,491,208,772.59/157,773.68
  6. Step 6: Final answer
    x = 129,877.23

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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.