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Finding the Fourth Proportional to 325,372.92, 488,044.96 and 88,715.60

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Solution

The fourth proportional to 325,372.92, 488,044.96 and 88,715.60 is: 133,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,372.92 : 488,044.96 = 88,715.60 : x
  2. Step 2: Convert to fraction form
    325,372.92/488,044.96 = 88,715.60/x
  3. Step 3: Cross multiply
    325,372.92x = 488,044.96 × 88,715.60
  4. Step 4: Simplify right side
    325,372.92x = 43,297,201,453.38
  5. Step 5: Solve for x
    x = 43,297,201,453.38/325,372.92
  6. Step 6: Final answer
    x = 133,069.47

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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.