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Finding the Fourth Proportional to 80,902.44, 111,648.84 and 45,092.44

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Solution

The fourth proportional to 80,902.44, 111,648.84 and 45,092.44 is: 62,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,902.44 : 111,648.84 = 45,092.44 : x
  2. Step 2: Convert to fraction form
    80,902.44/111,648.84 = 45,092.44/x
  3. Step 3: Cross multiply
    80,902.44x = 111,648.84 × 45,092.44
  4. Step 4: Simplify right side
    80,902.44x = 5,034,518,618.77
  5. Step 5: Solve for x
    x = 5,034,518,618.77/80,902.44
  6. Step 6: Final answer
    x = 62,229.50

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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.