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Finding the Fourth Proportional to 283,737.06, 391,562.10 and 162,891

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Solution

The fourth proportional to 283,737.06, 391,562.10 and 162,891 is: 224,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,737.06 : 391,562.10 = 162,891 : x
  2. Step 2: Convert to fraction form
    283,737.06/391,562.10 = 162,891/x
  3. Step 3: Cross multiply
    283,737.06x = 391,562.10 × 162,891
  4. Step 4: Simplify right side
    283,737.06x = 63,781,942,031.10
  5. Step 5: Solve for x
    x = 63,781,942,031.10/283,737.06
  6. Step 6: Final answer
    x = 224,792.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.