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Finding the Fourth Proportional to 80,320.60, 110,843.08 and 44,511.20

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Solution

The fourth proportional to 80,320.60, 110,843.08 and 44,511.20 is: 61,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,320.60 : 110,843.08 = 44,511.20 : x
  2. Step 2: Convert to fraction form
    80,320.60/110,843.08 = 44,511.20/x
  3. Step 3: Cross multiply
    80,320.60x = 110,843.08 × 44,511.20
  4. Step 4: Simplify right side
    80,320.60x = 4,933,758,502.50
  5. Step 5: Solve for x
    x = 4,933,758,502.50/80,320.60
  6. Step 6: Final answer
    x = 61,425.82

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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.