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Finding the Fourth Proportional to 71,394.77, 98,524.67 and 41,179.61

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Solution

The fourth proportional to 71,394.77, 98,524.67 and 41,179.61 is: 56,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,394.77 : 98,524.67 = 41,179.61 : x
  2. Step 2: Convert to fraction form
    71,394.77/98,524.67 = 41,179.61/x
  3. Step 3: Cross multiply
    71,394.77x = 98,524.67 × 41,179.61
  4. Step 4: Simplify right side
    71,394.77x = 4,057,206,787.46
  5. Step 5: Solve for x
    x = 4,057,206,787.46/71,394.77
  6. Step 6: Final answer
    x = 56,827.79

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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.