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Finding the Fourth Proportional to 244,640.80, 366,961.20 and 67,147.53

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Solution

The fourth proportional to 244,640.80, 366,961.20 and 67,147.53 is: 100,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,640.80 : 366,961.20 = 67,147.53 : x
  2. Step 2: Convert to fraction form
    244,640.80/366,961.20 = 67,147.53/x
  3. Step 3: Cross multiply
    244,640.80x = 366,961.20 × 67,147.53
  4. Step 4: Simplify right side
    244,640.80x = 24,640,538,185.84
  5. Step 5: Solve for x
    x = 24,640,538,185.84/244,640.80
  6. Step 6: Final answer
    x = 100,721.30

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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.