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Finding the Fourth Proportional to 159,716.88, 220,447.71 and 96,042.38

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Solution

The fourth proportional to 159,716.88, 220,447.71 and 96,042.38 is: 132,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.88 : 220,447.71 = 96,042.38 : x
  2. Step 2: Convert to fraction form
    159,716.88/220,447.71 = 96,042.38/x
  3. Step 3: Cross multiply
    159,716.88x = 220,447.71 × 96,042.38
  4. Step 4: Simplify right side
    159,716.88x = 21,172,321,631.71
  5. Step 5: Solve for x
    x = 21,172,321,631.71/159,716.88
  6. Step 6: Final answer
    x = 132,561.58

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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.