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Finding the Fourth Proportional to 80,170.92, 120,257.76 and 23,997.96

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Solution

The fourth proportional to 80,170.92, 120,257.76 and 23,997.96 is: 35,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170.92 : 120,257.76 = 23,997.96 : x
  2. Step 2: Convert to fraction form
    80,170.92/120,257.76 = 23,997.96/x
  3. Step 3: Cross multiply
    80,170.92x = 120,257.76 × 23,997.96
  4. Step 4: Simplify right side
    80,170.92x = 2,885,940,914.17
  5. Step 5: Solve for x
    x = 2,885,940,914.17/80,170.92
  6. Step 6: Final answer
    x = 35,997.35

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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.