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Finding the Fourth Proportional to 167,105.52, 250,872 and 143,563.68

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Solution

The fourth proportional to 167,105.52, 250,872 and 143,563.68 is: 215,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,105.52 : 250,872 = 143,563.68 : x
  2. Step 2: Convert to fraction form
    167,105.52/250,872 = 143,563.68/x
  3. Step 3: Cross multiply
    167,105.52x = 250,872 × 143,563.68
  4. Step 4: Simplify right side
    167,105.52x = 36,016,107,528.96
  5. Step 5: Solve for x
    x = 36,016,107,528.96/167,105.52
  6. Step 6: Final answer
    x = 215,529.13

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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.