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Finding the Fourth Proportional to 68,294.92, 102,371.92 and 26,163.48

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Solution

The fourth proportional to 68,294.92, 102,371.92 and 26,163.48 is: 39,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.92 : 102,371.92 = 26,163.48 : x
  2. Step 2: Convert to fraction form
    68,294.92/102,371.92 = 26,163.48/x
  3. Step 3: Cross multiply
    68,294.92x = 102,371.92 × 26,163.48
  4. Step 4: Simplify right side
    68,294.92x = 2,678,405,681.48
  5. Step 5: Solve for x
    x = 2,678,405,681.48/68,294.92
  6. Step 6: Final answer
    x = 39,218.23

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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.