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Finding the Fourth Proportional to 162,367.38, 224,062.56 and 90,747.90

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Solution

The fourth proportional to 162,367.38, 224,062.56 and 90,747.90 is: 125,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,367.38 : 224,062.56 = 90,747.90 : x
  2. Step 2: Convert to fraction form
    162,367.38/224,062.56 = 90,747.90/x
  3. Step 3: Cross multiply
    162,367.38x = 224,062.56 × 90,747.90
  4. Step 4: Simplify right side
    162,367.38x = 20,333,206,788.62
  5. Step 5: Solve for x
    x = 20,333,206,788.62/162,367.38
  6. Step 6: Final answer
    x = 125,229.63

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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.