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Finding the Fourth Proportional to 123,192.82, 169,995.92 and 69,491.04

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Solution

The fourth proportional to 123,192.82, 169,995.92 and 69,491.04 is: 95,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,192.82 : 169,995.92 = 69,491.04 : x
  2. Step 2: Convert to fraction form
    123,192.82/169,995.92 = 69,491.04/x
  3. Step 3: Cross multiply
    123,192.82x = 169,995.92 × 69,491.04
  4. Step 4: Simplify right side
    123,192.82x = 11,813,192,769.73
  5. Step 5: Solve for x
    x = 11,813,192,769.73/123,192.82
  6. Step 6: Final answer
    x = 95,891.89

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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.