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Finding the Fourth Proportional to 167,003.64, 250,536.84 and 67,171.56

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Solution

The fourth proportional to 167,003.64, 250,536.84 and 67,171.56 is: 100,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,003.64 : 250,536.84 = 67,171.56 : x
  2. Step 2: Convert to fraction form
    167,003.64/250,536.84 = 67,171.56/x
  3. Step 3: Cross multiply
    167,003.64x = 250,536.84 × 67,171.56
  4. Step 4: Simplify right side
    167,003.64x = 16,828,950,380.27
  5. Step 5: Solve for x
    x = 16,828,950,380.27/167,003.64
  6. Step 6: Final answer
    x = 100,769.96

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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.