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Finding the Fourth Proportional to 162,387.64, 224,105.34 and 90,767.92

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Solution

The fourth proportional to 162,387.64, 224,105.34 and 90,767.92 is: 125,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,387.64 : 224,105.34 = 90,767.92 : x
  2. Step 2: Convert to fraction form
    162,387.64/224,105.34 = 90,767.92/x
  3. Step 3: Cross multiply
    162,387.64x = 224,105.34 × 90,767.92
  4. Step 4: Simplify right side
    162,387.64x = 20,341,575,572.69
  5. Step 5: Solve for x
    x = 20,341,575,572.69/162,387.64
  6. Step 6: Final answer
    x = 125,265.54

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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.