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Finding the Fourth Proportional to 162,793.92, 224,644.72 and 90,191.92

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Solution

The fourth proportional to 162,793.92, 224,644.72 and 90,191.92 is: 124,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.92 : 224,644.72 = 90,191.92 : x
  2. Step 2: Convert to fraction form
    162,793.92/224,644.72 = 90,191.92/x
  3. Step 3: Cross multiply
    162,793.92x = 224,644.72 × 90,191.92
  4. Step 4: Simplify right side
    162,793.92x = 20,261,138,614.66
  5. Step 5: Solve for x
    x = 20,261,138,614.66/162,793.92
  6. Step 6: Final answer
    x = 124,458.82

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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.