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Finding the Fourth Proportional to 159,864.53, 220,614.87 and 88,244.59

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Solution

The fourth proportional to 159,864.53, 220,614.87 and 88,244.59 is: 121,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,864.53 : 220,614.87 = 88,244.59 : x
  2. Step 2: Convert to fraction form
    159,864.53/220,614.87 = 88,244.59/x
  3. Step 3: Cross multiply
    159,864.53x = 220,614.87 × 88,244.59
  4. Step 4: Simplify right side
    159,864.53x = 19,468,067,647.98
  5. Step 5: Solve for x
    x = 19,468,067,647.98/159,864.53
  6. Step 6: Final answer
    x = 121,778.53

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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.