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Finding the Fourth Proportional to 362.11, 543.26 and 167.23

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Solution

The fourth proportional to 362.11, 543.26 and 167.23 is: 250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.11 : 543.26 = 167.23 : x
  2. Step 2: Convert to fraction form
    362.11/543.26 = 167.23/x
  3. Step 3: Cross multiply
    362.11x = 543.26 × 167.23
  4. Step 4: Simplify right side
    362.11x = 90,849.37
  5. Step 5: Solve for x
    x = 90,849.37/362.11
  6. Step 6: Final answer
    x = 250.89

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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.