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Finding the Fourth Proportional to 98,481.30, 147,759.17 and 38,552.60

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Solution

The fourth proportional to 98,481.30, 147,759.17 and 38,552.60 is: 57,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,481.30 : 147,759.17 = 38,552.60 : x
  2. Step 2: Convert to fraction form
    98,481.30/147,759.17 = 38,552.60/x
  3. Step 3: Cross multiply
    98,481.30x = 147,759.17 × 38,552.60
  4. Step 4: Simplify right side
    98,481.30x = 5,696,499,245.78
  5. Step 5: Solve for x
    x = 5,696,499,245.78/98,481.30
  6. Step 6: Final answer
    x = 57,843.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.