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Finding the Fourth Proportional to 110,552.78, 152,562.66 and 60,251.78

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Solution

The fourth proportional to 110,552.78, 152,562.66 and 60,251.78 is: 83,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,552.78 : 152,562.66 = 60,251.78 : x
  2. Step 2: Convert to fraction form
    110,552.78/152,562.66 = 60,251.78/x
  3. Step 3: Cross multiply
    110,552.78x = 152,562.66 × 60,251.78
  4. Step 4: Simplify right side
    110,552.78x = 9,192,171,826.53
  5. Step 5: Solve for x
    x = 9,192,171,826.53/110,552.78
  6. Step 6: Final answer
    x = 83,147.36

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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.