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Finding the Fourth Proportional to 92,332.89, 138,474.70 and 25,761.31

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Solution

The fourth proportional to 92,332.89, 138,474.70 and 25,761.31 is: 38,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,332.89 : 138,474.70 = 25,761.31 : x
  2. Step 2: Convert to fraction form
    92,332.89/138,474.70 = 25,761.31/x
  3. Step 3: Cross multiply
    92,332.89x = 138,474.70 × 25,761.31
  4. Step 4: Simplify right side
    92,332.89x = 3,567,289,263.27
  5. Step 5: Solve for x
    x = 3,567,289,263.27/92,332.89
  6. Step 6: Final answer
    x = 38,635.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.