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Finding the Fourth Proportional to 80,677.80, 121,016.70 and 24,517.80

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Solution

The fourth proportional to 80,677.80, 121,016.70 and 24,517.80 is: 36,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,677.80 : 121,016.70 = 24,517.80 : x
  2. Step 2: Convert to fraction form
    80,677.80/121,016.70 = 24,517.80/x
  3. Step 3: Cross multiply
    80,677.80x = 121,016.70 × 24,517.80
  4. Step 4: Simplify right side
    80,677.80x = 2,967,063,247.26
  5. Step 5: Solve for x
    x = 2,967,063,247.26/80,677.80
  6. Step 6: Final answer
    x = 36,776.70

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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.