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Finding the Fourth Proportional to 80,251.32, 110,740.76 and 43,944.80

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Solution

The fourth proportional to 80,251.32, 110,740.76 and 43,944.80 is: 60,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,251.32 : 110,740.76 = 43,944.80 : x
  2. Step 2: Convert to fraction form
    80,251.32/110,740.76 = 43,944.80/x
  3. Step 3: Cross multiply
    80,251.32x = 110,740.76 × 43,944.80
  4. Step 4: Simplify right side
    80,251.32x = 4,866,480,550.05
  5. Step 5: Solve for x
    x = 4,866,480,550.05/80,251.32
  6. Step 6: Final answer
    x = 60,640.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.