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Finding the Fourth Proportional to 80,060.60, 120,088.17 and 37,960.85

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Solution

The fourth proportional to 80,060.60, 120,088.17 and 37,960.85 is: 56,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.60 : 120,088.17 = 37,960.85 : x
  2. Step 2: Convert to fraction form
    80,060.60/120,088.17 = 37,960.85/x
  3. Step 3: Cross multiply
    80,060.60x = 120,088.17 × 37,960.85
  4. Step 4: Simplify right side
    80,060.60x = 4,558,648,407.70
  5. Step 5: Solve for x
    x = 4,558,648,407.70/80,060.60
  6. Step 6: Final answer
    x = 56,939.98

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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.