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Finding the Fourth Proportional to 82,892.73, 124,375.84 and 43,440.46

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Solution

The fourth proportional to 82,892.73, 124,375.84 and 43,440.46 is: 65,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,892.73 : 124,375.84 = 43,440.46 : x
  2. Step 2: Convert to fraction form
    82,892.73/124,375.84 = 43,440.46/x
  3. Step 3: Cross multiply
    82,892.73x = 124,375.84 × 43,440.46
  4. Step 4: Simplify right side
    82,892.73x = 5,402,943,702.49
  5. Step 5: Solve for x
    x = 5,402,943,702.49/82,892.73
  6. Step 6: Final answer
    x = 65,179.95

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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.