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Finding the Fourth Proportional to 167,591.76, 251,327.16 and 49,231.44

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Solution

The fourth proportional to 167,591.76, 251,327.16 and 49,231.44 is: 73,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,591.76 : 251,327.16 = 49,231.44 : x
  2. Step 2: Convert to fraction form
    167,591.76/251,327.16 = 49,231.44/x
  3. Step 3: Cross multiply
    167,591.76x = 251,327.16 × 49,231.44
  4. Step 4: Simplify right side
    167,591.76x = 12,373,197,997.91
  5. Step 5: Solve for x
    x = 12,373,197,997.91/167,591.76
  6. Step 6: Final answer
    x = 73,829.39

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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.