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Finding the Fourth Proportional to 83,915.63, 125,843.47 and 27,745.37

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Solution

The fourth proportional to 83,915.63, 125,843.47 and 27,745.37 is: 41,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,915.63 : 125,843.47 = 27,745.37 : x
  2. Step 2: Convert to fraction form
    83,915.63/125,843.47 = 27,745.37/x
  3. Step 3: Cross multiply
    83,915.63x = 125,843.47 × 27,745.37
  4. Step 4: Simplify right side
    83,915.63x = 3,491,573,882.48
  5. Step 5: Solve for x
    x = 3,491,573,882.48/83,915.63
  6. Step 6: Final answer
    x = 41,608.15

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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.