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Finding the Fourth Proportional to 67,940.92, 101,778.78 and 44,496.28

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Solution

The fourth proportional to 67,940.92, 101,778.78 and 44,496.28 is: 66,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.92 : 101,778.78 = 44,496.28 : x
  2. Step 2: Convert to fraction form
    67,940.92/101,778.78 = 44,496.28/x
  3. Step 3: Cross multiply
    67,940.92x = 101,778.78 × 44,496.28
  4. Step 4: Simplify right side
    67,940.92x = 4,528,777,092.94
  5. Step 5: Solve for x
    x = 4,528,777,092.94/67,940.92
  6. Step 6: Final answer
    x = 66,657.58

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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.