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Finding the Fourth Proportional to 71,270.43, 106,936.65 and 44,677.37

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Solution

The fourth proportional to 71,270.43, 106,936.65 and 44,677.37 is: 67,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,270.43 : 106,936.65 = 44,677.37 : x
  2. Step 2: Convert to fraction form
    71,270.43/106,936.65 = 44,677.37/x
  3. Step 3: Cross multiply
    71,270.43x = 106,936.65 × 44,677.37
  4. Step 4: Simplify right side
    71,270.43x = 4,777,647,743.93
  5. Step 5: Solve for x
    x = 4,777,647,743.93/71,270.43
  6. Step 6: Final answer
    x = 67,035.48

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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.