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Finding the Fourth Proportional to 167,941.92, 231,758.82 and 92,489.88

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Solution

The fourth proportional to 167,941.92, 231,758.82 and 92,489.88 is: 127,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,941.92 : 231,758.82 = 92,489.88 : x
  2. Step 2: Convert to fraction form
    167,941.92/231,758.82 = 92,489.88/x
  3. Step 3: Cross multiply
    167,941.92x = 231,758.82 × 92,489.88
  4. Step 4: Simplify right side
    167,941.92x = 21,435,345,450.74
  5. Step 5: Solve for x
    x = 21,435,345,450.74/167,941.92
  6. Step 6: Final answer
    x = 127,635.47

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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.