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Finding the Fourth Proportional to 71,044.46, 98,044.62 and 40,839.56

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Solution

The fourth proportional to 71,044.46, 98,044.62 and 40,839.56 is: 56,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.46 : 98,044.62 = 40,839.56 : x
  2. Step 2: Convert to fraction form
    71,044.46/98,044.62 = 40,839.56/x
  3. Step 3: Cross multiply
    71,044.46x = 98,044.62 × 40,839.56
  4. Step 4: Simplify right side
    71,044.46x = 4,004,099,141.17
  5. Step 5: Solve for x
    x = 4,004,099,141.17/71,044.46
  6. Step 6: Final answer
    x = 56,360.47

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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.