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Finding the Fourth Proportional to 167,978.92, 231,810.92 and 92,527.42

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Solution

The fourth proportional to 167,978.92, 231,810.92 and 92,527.42 is: 127,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,978.92 : 231,810.92 = 92,527.42 : x
  2. Step 2: Convert to fraction form
    167,978.92/231,810.92 = 92,527.42/x
  3. Step 3: Cross multiply
    167,978.92x = 231,810.92 × 92,527.42
  4. Step 4: Simplify right side
    167,978.92x = 21,448,866,355.43
  5. Step 5: Solve for x
    x = 21,448,866,355.43/167,978.92
  6. Step 6: Final answer
    x = 127,687.85

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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.