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Finding the Fourth Proportional to 225,581.48, 338,372.46 and 67,809.92

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Solution

The fourth proportional to 225,581.48, 338,372.46 and 67,809.92 is: 101,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,581.48 : 338,372.46 = 67,809.92 : x
  2. Step 2: Convert to fraction form
    225,581.48/338,372.46 = 67,809.92/x
  3. Step 3: Cross multiply
    225,581.48x = 338,372.46 × 67,809.92
  4. Step 4: Simplify right side
    225,581.48x = 22,945,007,750.94
  5. Step 5: Solve for x
    x = 22,945,007,750.94/225,581.48
  6. Step 6: Final answer
    x = 101,714.95

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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.