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Finding the Fourth Proportional to 80,022.72, 110,404.80 and 48,179.52

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Solution

The fourth proportional to 80,022.72, 110,404.80 and 48,179.52 is: 66,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.72 : 110,404.80 = 48,179.52 : x
  2. Step 2: Convert to fraction form
    80,022.72/110,404.80 = 48,179.52/x
  3. Step 3: Cross multiply
    80,022.72x = 110,404.80 × 48,179.52
  4. Step 4: Simplify right side
    80,022.72x = 5,319,250,269.70
  5. Step 5: Solve for x
    x = 5,319,250,269.70/80,022.72
  6. Step 6: Final answer
    x = 66,471.75

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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.