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Finding the Fourth Proportional to 71,046.55, 98,063.56 and 40,834.97

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Solution

The fourth proportional to 71,046.55, 98,063.56 and 40,834.97 is: 56,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.55 : 98,063.56 = 40,834.97 : x
  2. Step 2: Convert to fraction form
    71,046.55/98,063.56 = 40,834.97/x
  3. Step 3: Cross multiply
    71,046.55x = 98,063.56 × 40,834.97
  4. Step 4: Simplify right side
    71,046.55x = 4,004,422,530.69
  5. Step 5: Solve for x
    x = 4,004,422,530.69/71,046.55
  6. Step 6: Final answer
    x = 56,363.36

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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.