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Finding the Fourth Proportional to 68,473.73, 102,721.52 and 23,489.97

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Solution

The fourth proportional to 68,473.73, 102,721.52 and 23,489.97 is: 35,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,473.73 : 102,721.52 = 23,489.97 : x
  2. Step 2: Convert to fraction form
    68,473.73/102,721.52 = 23,489.97/x
  3. Step 3: Cross multiply
    68,473.73x = 102,721.52 × 23,489.97
  4. Step 4: Simplify right side
    68,473.73x = 2,412,925,481.88
  5. Step 5: Solve for x
    x = 2,412,925,481.88/68,473.73
  6. Step 6: Final answer
    x = 35,238.71

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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.