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Finding the Fourth Proportional to 225,061.92, 337,542.66 and 67,269.87

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Solution

The fourth proportional to 225,061.92, 337,542.66 and 67,269.87 is: 100,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,061.92 : 337,542.66 = 67,269.87 : x
  2. Step 2: Convert to fraction form
    225,061.92/337,542.66 = 67,269.87/x
  3. Step 3: Cross multiply
    225,061.92x = 337,542.66 × 67,269.87
  4. Step 4: Simplify right side
    225,061.92x = 22,706,450,857.65
  5. Step 5: Solve for x
    x = 22,706,450,857.65/225,061.92
  6. Step 6: Final answer
    x = 100,889.79

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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.