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Finding the Fourth Proportional to 80,324.28, 110,847.78 and 48,493.44

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Solution

The fourth proportional to 80,324.28, 110,847.78 and 48,493.44 is: 66,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.28 : 110,847.78 = 48,493.44 : x
  2. Step 2: Convert to fraction form
    80,324.28/110,847.78 = 48,493.44/x
  3. Step 3: Cross multiply
    80,324.28x = 110,847.78 × 48,493.44
  4. Step 4: Simplify right side
    80,324.28x = 5,375,390,168.56
  5. Step 5: Solve for x
    x = 5,375,390,168.56/80,324.28
  6. Step 6: Final answer
    x = 66,921.11

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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.