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Finding the Fourth Proportional to 247,937.70, 371,897.82 and 107,696.34

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Solution

The fourth proportional to 247,937.70, 371,897.82 and 107,696.34 is: 161,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,937.70 : 371,897.82 = 107,696.34 : x
  2. Step 2: Convert to fraction form
    247,937.70/371,897.82 = 107,696.34/x
  3. Step 3: Cross multiply
    247,937.70x = 371,897.82 × 107,696.34
  4. Step 4: Simplify right side
    247,937.70x = 40,052,034,067.98
  5. Step 5: Solve for x
    x = 40,052,034,067.98/247,937.70
  6. Step 6: Final answer
    x = 161,540.72

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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.