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Finding the Fourth Proportional to 80,843.58, 111,559.68 and 45,032.94

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Solution

The fourth proportional to 80,843.58, 111,559.68 and 45,032.94 is: 62,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,843.58 : 111,559.68 = 45,032.94 : x
  2. Step 2: Convert to fraction form
    80,843.58/111,559.68 = 45,032.94/x
  3. Step 3: Cross multiply
    80,843.58x = 111,559.68 × 45,032.94
  4. Step 4: Simplify right side
    80,843.58x = 5,023,860,375.86
  5. Step 5: Solve for x
    x = 5,023,860,375.86/80,843.58
  6. Step 6: Final answer
    x = 62,142.97

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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.