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Finding the Fourth Proportional to 80,903.44, 111,645.18 and 45,092.68

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Solution

The fourth proportional to 80,903.44, 111,645.18 and 45,092.68 is: 62,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903.44 : 111,645.18 = 45,092.68 : x
  2. Step 2: Convert to fraction form
    80,903.44/111,645.18 = 45,092.68/x
  3. Step 3: Cross multiply
    80,903.44x = 111,645.18 × 45,092.68
  4. Step 4: Simplify right side
    80,903.44x = 5,034,380,375.28
  5. Step 5: Solve for x
    x = 5,034,380,375.28/80,903.44
  6. Step 6: Final answer
    x = 62,227.02

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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.