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Finding the Fourth Proportional to 157,224.60, 216,936.24 and 93,549.96

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Solution

The fourth proportional to 157,224.60, 216,936.24 and 93,549.96 is: 129,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,224.60 : 216,936.24 = 93,549.96 : x
  2. Step 2: Convert to fraction form
    157,224.60/216,936.24 = 93,549.96/x
  3. Step 3: Cross multiply
    157,224.60x = 216,936.24 × 93,549.96
  4. Step 4: Simplify right side
    157,224.60x = 20,294,376,574.55
  5. Step 5: Solve for x
    x = 20,294,376,574.55/157,224.60
  6. Step 6: Final answer
    x = 129,078.89

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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.