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Finding the Fourth Proportional to 362.53, 543.51 and 167.66

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Solution

The fourth proportional to 362.53, 543.51 and 167.66 is: 251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.53 : 543.51 = 167.66 : x
  2. Step 2: Convert to fraction form
    362.53/543.51 = 167.66/x
  3. Step 3: Cross multiply
    362.53x = 543.51 × 167.66
  4. Step 4: Simplify right side
    362.53x = 91,124.89
  5. Step 5: Solve for x
    x = 91,124.89/362.53
  6. Step 6: Final answer
    x = 251.36

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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.