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Finding the Fourth Proportional to 325,375.68, 488,013.12 and 88,737.28

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Solution

The fourth proportional to 325,375.68, 488,013.12 and 88,737.28 is: 133,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,375.68 : 488,013.12 = 88,737.28 : x
  2. Step 2: Convert to fraction form
    325,375.68/488,013.12 = 88,737.28/x
  3. Step 3: Cross multiply
    325,375.68x = 488,013.12 × 88,737.28
  4. Step 4: Simplify right side
    325,375.68x = 43,304,956,873.11
  5. Step 5: Solve for x
    x = 43,304,956,873.11/325,375.68
  6. Step 6: Final answer
    x = 133,092.17

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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.