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Finding the Fourth Proportional to 225,103, 337,665.84 and 67,332.82

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Solution

The fourth proportional to 225,103, 337,665.84 and 67,332.82 is: 101,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,103 : 337,665.84 = 67,332.82 : x
  2. Step 2: Convert to fraction form
    225,103/337,665.84 = 67,332.82/x
  3. Step 3: Cross multiply
    225,103x = 337,665.84 × 67,332.82
  4. Step 4: Simplify right side
    225,103x = 22,735,993,224.87
  5. Step 5: Solve for x
    x = 22,735,993,224.87/225,103
  6. Step 6: Final answer
    x = 101,002.62

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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.