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Finding the Fourth Proportional to 225,212.84, 337,780.36 and 67,398.92

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Solution

The fourth proportional to 225,212.84, 337,780.36 and 67,398.92 is: 101,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,212.84 : 337,780.36 = 67,398.92 : x
  2. Step 2: Convert to fraction form
    225,212.84/337,780.36 = 67,398.92/x
  3. Step 3: Cross multiply
    225,212.84x = 337,780.36 × 67,398.92
  4. Step 4: Simplify right side
    225,212.84x = 22,766,031,461.21
  5. Step 5: Solve for x
    x = 22,766,031,461.21/225,212.84
  6. Step 6: Final answer
    x = 101,086.74

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1.5x scale

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.