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Finding the Fourth Proportional to 68,469.00, 102,693.92 and 23,489.61

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Solution

The fourth proportional to 68,469.00, 102,693.92 and 23,489.61 is: 35,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,469.00 : 102,693.92 = 23,489.61 : x
  2. Step 2: Convert to fraction form
    68,469.00/102,693.92 = 23,489.61/x
  3. Step 3: Cross multiply
    68,469.00x = 102,693.92 × 23,489.61
  4. Step 4: Simplify right side
    68,469.00x = 2,412,240,205.27
  5. Step 5: Solve for x
    x = 2,412,240,205.27/68,469.00
  6. Step 6: Final answer
    x = 35,231.13

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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.