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Finding the Fourth Proportional to 80,061.62, 120,098.55 and 27,470.66

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Solution

The fourth proportional to 80,061.62, 120,098.55 and 27,470.66 is: 41,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,061.62 : 120,098.55 = 27,470.66 : x
  2. Step 2: Convert to fraction form
    80,061.62/120,098.55 = 27,470.66/x
  3. Step 3: Cross multiply
    80,061.62x = 120,098.55 × 27,470.66
  4. Step 4: Simplify right side
    80,061.62x = 3,299,186,433.54
  5. Step 5: Solve for x
    x = 3,299,186,433.54/80,061.62
  6. Step 6: Final answer
    x = 41,208.09

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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.