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Finding the Fourth Proportional to 269,792.31, 404,593.46 and 89,828.87

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Solution

The fourth proportional to 269,792.31, 404,593.46 and 89,828.87 is: 134,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.31 : 404,593.46 = 89,828.87 : x
  2. Step 2: Convert to fraction form
    269,792.31/404,593.46 = 89,828.87/x
  3. Step 3: Cross multiply
    269,792.31x = 404,593.46 × 89,828.87
  4. Step 4: Simplify right side
    269,792.31x = 36,344,170,849.08
  5. Step 5: Solve for x
    x = 36,344,170,849.08/269,792.31
  6. Step 6: Final answer
    x = 134,711.66

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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.