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Finding the Fourth Proportional to 167,560.92, 231,232.92 and 91,078.11

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Solution

The fourth proportional to 167,560.92, 231,232.92 and 91,078.11 is: 125,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,560.92 : 231,232.92 = 91,078.11 : x
  2. Step 2: Convert to fraction form
    167,560.92/231,232.92 = 91,078.11/x
  3. Step 3: Cross multiply
    167,560.92x = 231,232.92 × 91,078.11
  4. Step 4: Simplify right side
    167,560.92x = 21,060,257,323.38
  5. Step 5: Solve for x
    x = 21,060,257,323.38/167,560.92
  6. Step 6: Final answer
    x = 125,687.17

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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.