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Finding the Fourth Proportional to 76,191.60, 114,360.30 and 38,793.90

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Solution

The fourth proportional to 76,191.60, 114,360.30 and 38,793.90 is: 58,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,191.60 : 114,360.30 = 38,793.90 : x
  2. Step 2: Convert to fraction form
    76,191.60/114,360.30 = 38,793.90/x
  3. Step 3: Cross multiply
    76,191.60x = 114,360.30 × 38,793.90
  4. Step 4: Simplify right side
    76,191.60x = 4,436,482,042.17
  5. Step 5: Solve for x
    x = 4,436,482,042.17/76,191.60
  6. Step 6: Final answer
    x = 58,227.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.