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Finding the Fourth Proportional to 167.24, 250.32 and 143.22

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Solution

The fourth proportional to 167.24, 250.32 and 143.22 is: 214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.24 : 250.32 = 143.22 : x
  2. Step 2: Convert to fraction form
    167.24/250.32 = 143.22/x
  3. Step 3: Cross multiply
    167.24x = 250.32 × 143.22
  4. Step 4: Simplify right side
    167.24x = 35,850.83
  5. Step 5: Solve for x
    x = 35,850.83/167.24
  6. Step 6: Final answer
    x = 214.37

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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.