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Finding the Fourth Proportional to 224,981.92, 337,997.76 and 131,553.28

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Solution

The fourth proportional to 224,981.92, 337,997.76 and 131,553.28 is: 197,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,981.92 : 337,997.76 = 131,553.28 : x
  2. Step 2: Convert to fraction form
    224,981.92/337,997.76 = 131,553.28/x
  3. Step 3: Cross multiply
    224,981.92x = 337,997.76 × 131,553.28
  4. Step 4: Simplify right side
    224,981.92x = 44,464,713,960.65
  5. Step 5: Solve for x
    x = 44,464,713,960.65/224,981.92
  6. Step 6: Final answer
    x = 197,636.83

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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.