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Finding the Fourth Proportional to 80,063.72, 120,092.85 and 37,963.97

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Solution

The fourth proportional to 80,063.72, 120,092.85 and 37,963.97 is: 56,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.72 : 120,092.85 = 37,963.97 : x
  2. Step 2: Convert to fraction form
    80,063.72/120,092.85 = 37,963.97/x
  3. Step 3: Cross multiply
    80,063.72x = 120,092.85 × 37,963.97
  4. Step 4: Simplify right side
    80,063.72x = 4,559,201,354.61
  5. Step 5: Solve for x
    x = 4,559,201,354.61/80,063.72
  6. Step 6: Final answer
    x = 56,944.66

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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.