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Finding the Fourth Proportional to 167,223.60, 250,873.72 and 72,469.69

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Solution

The fourth proportional to 167,223.60, 250,873.72 and 72,469.69 is: 108,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,223.60 : 250,873.72 = 72,469.69 : x
  2. Step 2: Convert to fraction form
    167,223.60/250,873.72 = 72,469.69/x
  3. Step 3: Cross multiply
    167,223.60x = 250,873.72 × 72,469.69
  4. Step 4: Simplify right side
    167,223.60x = 18,180,740,717.55
  5. Step 5: Solve for x
    x = 18,180,740,717.55/167,223.60
  6. Step 6: Final answer
    x = 108,721.14

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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.