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Finding the Fourth Proportional to 159,891.33, 220,678.92 and 95,364.71

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Solution

The fourth proportional to 159,891.33, 220,678.92 and 95,364.71 is: 131,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891.33 : 220,678.92 = 95,364.71 : x
  2. Step 2: Convert to fraction form
    159,891.33/220,678.92 = 95,364.71/x
  3. Step 3: Cross multiply
    159,891.33x = 220,678.92 × 95,364.71
  4. Step 4: Simplify right side
    159,891.33x = 21,044,980,105.52
  5. Step 5: Solve for x
    x = 21,044,980,105.52/159,891.33
  6. Step 6: Final answer
    x = 131,620.52

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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.