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Finding the Fourth Proportional to 225,266.28, 337,910.60 and 67,479.68

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Solution

The fourth proportional to 225,266.28, 337,910.60 and 67,479.68 is: 101,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,266.28 : 337,910.60 = 67,479.68 : x
  2. Step 2: Convert to fraction form
    225,266.28/337,910.60 = 67,479.68/x
  3. Step 3: Cross multiply
    225,266.28x = 337,910.60 × 67,479.68
  4. Step 4: Simplify right side
    225,266.28x = 22,802,099,156.61
  5. Step 5: Solve for x
    x = 22,802,099,156.61/225,266.28
  6. Step 6: Final answer
    x = 101,222.87

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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.