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Finding the Fourth Proportional to 69,910.29, 104,337.18 and 65,169.97

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Solution

The fourth proportional to 69,910.29, 104,337.18 and 65,169.97 is: 97,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,910.29 : 104,337.18 = 65,169.97 : x
  2. Step 2: Convert to fraction form
    69,910.29/104,337.18 = 65,169.97/x
  3. Step 3: Cross multiply
    69,910.29x = 104,337.18 × 65,169.97
  4. Step 4: Simplify right side
    69,910.29x = 6,799,650,629.64
  5. Step 5: Solve for x
    x = 6,799,650,629.64/69,910.29
  6. Step 6: Final answer
    x = 97,262.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.