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Finding the Fourth Proportional to 80,342, 110,862.28 and 44,532.56

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Solution

The fourth proportional to 80,342, 110,862.28 and 44,532.56 is: 61,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342 : 110,862.28 = 44,532.56 : x
  2. Step 2: Convert to fraction form
    80,342/110,862.28 = 44,532.56/x
  3. Step 3: Cross multiply
    80,342x = 110,862.28 × 44,532.56
  4. Step 4: Simplify right side
    80,342x = 4,936,981,135.84
  5. Step 5: Solve for x
    x = 4,936,981,135.84/80,342
  6. Step 6: Final answer
    x = 61,449.57

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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.