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Finding the Fourth Proportional to 68,009.40, 101,942.92 and 25,863.14

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Solution

The fourth proportional to 68,009.40, 101,942.92 and 25,863.14 is: 38,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.40 : 101,942.92 = 25,863.14 : x
  2. Step 2: Convert to fraction form
    68,009.40/101,942.92 = 25,863.14/x
  3. Step 3: Cross multiply
    68,009.40x = 101,942.92 × 25,863.14
  4. Step 4: Simplify right side
    68,009.40x = 2,636,564,011.97
  5. Step 5: Solve for x
    x = 2,636,564,011.97/68,009.40
  6. Step 6: Final answer
    x = 38,767.64

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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.