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Finding the Fourth Proportional to 80,540.73, 120,674.66 and 49,310.73

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Solution

The fourth proportional to 80,540.73, 120,674.66 and 49,310.73 is: 73,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.73 : 120,674.66 = 49,310.73 : x
  2. Step 2: Convert to fraction form
    80,540.73/120,674.66 = 49,310.73/x
  3. Step 3: Cross multiply
    80,540.73x = 120,674.66 × 49,310.73
  4. Step 4: Simplify right side
    80,540.73x = 5,950,555,330.55
  5. Step 5: Solve for x
    x = 5,950,555,330.55/80,540.73
  6. Step 6: Final answer
    x = 73,882.56

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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.