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Finding the Fourth Proportional to 159,645.08, 239,560.98 and 88,627.52

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Solution

The fourth proportional to 159,645.08, 239,560.98 and 88,627.52 is: 132,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,645.08 : 239,560.98 = 88,627.52 : x
  2. Step 2: Convert to fraction form
    159,645.08/239,560.98 = 88,627.52/x
  3. Step 3: Cross multiply
    159,645.08x = 239,560.98 × 88,627.52
  4. Step 4: Simplify right side
    159,645.08x = 21,231,695,546.17
  5. Step 5: Solve for x
    x = 21,231,695,546.17/159,645.08
  6. Step 6: Final answer
    x = 132,993.11

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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.