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Finding the Fourth Proportional to 80,279.55, 110,785.78 and 44,471.88

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Solution

The fourth proportional to 80,279.55, 110,785.78 and 44,471.88 is: 61,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,279.55 : 110,785.78 = 44,471.88 : x
  2. Step 2: Convert to fraction form
    80,279.55/110,785.78 = 44,471.88/x
  3. Step 3: Cross multiply
    80,279.55x = 110,785.78 × 44,471.88
  4. Step 4: Simplify right side
    80,279.55x = 4,926,852,079.65
  5. Step 5: Solve for x
    x = 4,926,852,079.65/80,279.55
  6. Step 6: Final answer
    x = 61,371.20

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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.