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Finding the Fourth Proportional to 167,223.85, 250,874.09 and 72,469.94

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Solution

The fourth proportional to 167,223.85, 250,874.09 and 72,469.94 is: 108,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,223.85 : 250,874.09 = 72,469.94 : x
  2. Step 2: Convert to fraction form
    167,223.85/250,874.09 = 72,469.94/x
  3. Step 3: Cross multiply
    167,223.85x = 250,874.09 × 72,469.94
  4. Step 4: Simplify right side
    167,223.85x = 18,180,830,249.85
  5. Step 5: Solve for x
    x = 18,180,830,249.85/167,223.85
  6. Step 6: Final answer
    x = 108,721.51

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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.