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Finding the Fourth Proportional to 159,499.67, 239,023.80 and 88,453.55

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Solution

The fourth proportional to 159,499.67, 239,023.80 and 88,453.55 is: 132,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,499.67 : 239,023.80 = 88,453.55 : x
  2. Step 2: Convert to fraction form
    159,499.67/239,023.80 = 88,453.55/x
  3. Step 3: Cross multiply
    159,499.67x = 239,023.80 × 88,453.55
  4. Step 4: Simplify right side
    159,499.67x = 21,142,502,449.37
  5. Step 5: Solve for x
    x = 21,142,502,449.37/159,499.67
  6. Step 6: Final answer
    x = 132,555.15

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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.