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Finding the Fourth Proportional to 167,168.64, 250,576.80 and 54,819.54

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Solution

The fourth proportional to 167,168.64, 250,576.80 and 54,819.54 is: 82,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,168.64 : 250,576.80 = 54,819.54 : x
  2. Step 2: Convert to fraction form
    167,168.64/250,576.80 = 54,819.54/x
  3. Step 3: Cross multiply
    167,168.64x = 250,576.80 × 54,819.54
  4. Step 4: Simplify right side
    167,168.64x = 13,736,504,910.67
  5. Step 5: Solve for x
    x = 13,736,504,910.67/167,168.64
  6. Step 6: Final answer
    x = 82,171.54

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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.