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Finding the Fourth Proportional to 162,493.38, 224,249.58 and 90,869.13

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Solution

The fourth proportional to 162,493.38, 224,249.58 and 90,869.13 is: 125,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,493.38 : 224,249.58 = 90,869.13 : x
  2. Step 2: Convert to fraction form
    162,493.38/224,249.58 = 90,869.13/x
  3. Step 3: Cross multiply
    162,493.38x = 224,249.58 × 90,869.13
  4. Step 4: Simplify right side
    162,493.38x = 20,377,364,237.47
  5. Step 5: Solve for x
    x = 20,377,364,237.47/162,493.38
  6. Step 6: Final answer
    x = 125,404.27

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1.5x scale

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.