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Finding the Fourth Proportional to 159,234.60, 238,851.90 and 88,375.80

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Solution

The fourth proportional to 159,234.60, 238,851.90 and 88,375.80 is: 132,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,234.60 : 238,851.90 = 88,375.80 : x
  2. Step 2: Convert to fraction form
    159,234.60/238,851.90 = 88,375.80/x
  3. Step 3: Cross multiply
    159,234.60x = 238,851.90 × 88,375.80
  4. Step 4: Simplify right side
    159,234.60x = 21,108,727,744.02
  5. Step 5: Solve for x
    x = 21,108,727,744.02/159,234.60
  6. Step 6: Final answer
    x = 132,563.70

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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.