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Finding the Fourth Proportional to 435,937.38, 653,553.15 and 136,263.66

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Solution

The fourth proportional to 435,937.38, 653,553.15 and 136,263.66 is: 204,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,937.38 : 653,553.15 = 136,263.66 : x
  2. Step 2: Convert to fraction form
    435,937.38/653,553.15 = 136,263.66/x
  3. Step 3: Cross multiply
    435,937.38x = 653,553.15 × 136,263.66
  4. Step 4: Simplify right side
    435,937.38x = 89,055,544,223.53
  5. Step 5: Solve for x
    x = 89,055,544,223.53/435,937.38
  6. Step 6: Final answer
    x = 204,285.18

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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.