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Finding the Fourth Proportional to 247,958.54, 371,936.17 and 68,029.89

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Solution

The fourth proportional to 247,958.54, 371,936.17 and 68,029.89 is: 102,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,958.54 : 371,936.17 = 68,029.89 : x
  2. Step 2: Convert to fraction form
    247,958.54/371,936.17 = 68,029.89/x
  3. Step 3: Cross multiply
    247,958.54x = 371,936.17 × 68,029.89
  4. Step 4: Simplify right side
    247,958.54x = 25,302,775,658.43
  5. Step 5: Solve for x
    x = 25,302,775,658.43/247,958.54
  6. Step 6: Final answer
    x = 102,044.38

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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.