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Finding the Fourth Proportional to 159,654.64, 220,332.72 and 88,049.92

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Solution

The fourth proportional to 159,654.64, 220,332.72 and 88,049.92 is: 121,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654.64 : 220,332.72 = 88,049.92 : x
  2. Step 2: Convert to fraction form
    159,654.64/220,332.72 = 88,049.92/x
  3. Step 3: Cross multiply
    159,654.64x = 220,332.72 × 88,049.92
  4. Step 4: Simplify right side
    159,654.64x = 19,400,278,369.38
  5. Step 5: Solve for x
    x = 19,400,278,369.38/159,654.64
  6. Step 6: Final answer
    x = 121,514.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.