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Finding the Fourth Proportional to 92,324.88, 138,472.20 and 33,149.52

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Solution

The fourth proportional to 92,324.88, 138,472.20 and 33,149.52 is: 49,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,324.88 : 138,472.20 = 33,149.52 : x
  2. Step 2: Convert to fraction form
    92,324.88/138,472.20 = 33,149.52/x
  3. Step 3: Cross multiply
    92,324.88x = 138,472.20 × 33,149.52
  4. Step 4: Simplify right side
    92,324.88x = 4,590,286,963.34
  5. Step 5: Solve for x
    x = 4,590,286,963.34/92,324.88
  6. Step 6: Final answer
    x = 49,718.85

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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.