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Finding the Fourth Proportional to 185,087.46, 277,745.42 and 72,747.97

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Solution

The fourth proportional to 185,087.46, 277,745.42 and 72,747.97 is: 109,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,087.46 : 277,745.42 = 72,747.97 : x
  2. Step 2: Convert to fraction form
    185,087.46/277,745.42 = 72,747.97/x
  3. Step 3: Cross multiply
    185,087.46x = 277,745.42 × 72,747.97
  4. Step 4: Simplify right side
    185,087.46x = 20,205,415,481.80
  5. Step 5: Solve for x
    x = 20,205,415,481.80/185,087.46
  6. Step 6: Final answer
    x = 109,166.85

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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.