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Finding the Fourth Proportional to 362.17, 543.30 and 167.12

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Solution

The fourth proportional to 362.17, 543.30 and 167.12 is: 250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.17 : 543.30 = 167.12 : x
  2. Step 2: Convert to fraction form
    362.17/543.30 = 167.12/x
  3. Step 3: Cross multiply
    362.17x = 543.30 × 167.12
  4. Step 4: Simplify right side
    362.17x = 90,796.30
  5. Step 5: Solve for x
    x = 90,796.30/362.17
  6. Step 6: Final answer
    x = 250.70

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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.