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Finding the Fourth Proportional to 88,948.69, 133,422.30 and 36,321.28

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Solution

The fourth proportional to 88,948.69, 133,422.30 and 36,321.28 is: 54,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,948.69 : 133,422.30 = 36,321.28 : x
  2. Step 2: Convert to fraction form
    88,948.69/133,422.30 = 36,321.28/x
  3. Step 3: Cross multiply
    88,948.69x = 133,422.30 × 36,321.28
  4. Step 4: Simplify right side
    88,948.69x = 4,846,068,716.54
  5. Step 5: Solve for x
    x = 4,846,068,716.54/88,948.69
  6. Step 6: Final answer
    x = 54,481.62

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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.