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Finding the Fourth Proportional to 224,753.70, 337,084.38 and 66,939.78

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Solution

The fourth proportional to 224,753.70, 337,084.38 and 66,939.78 is: 100,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,753.70 : 337,084.38 = 66,939.78 : x
  2. Step 2: Convert to fraction form
    224,753.70/337,084.38 = 66,939.78/x
  3. Step 3: Cross multiply
    224,753.70x = 337,084.38 × 66,939.78
  4. Step 4: Simplify right side
    224,753.70x = 22,564,354,238.64
  5. Step 5: Solve for x
    x = 22,564,354,238.64/224,753.70
  6. Step 6: Final answer
    x = 100,395.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.