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Finding the Fourth Proportional to 362.05, 542.94 and 167.11

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Solution

The fourth proportional to 362.05, 542.94 and 167.11 is: 250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.05 : 542.94 = 167.11 : x
  2. Step 2: Convert to fraction form
    362.05/542.94 = 167.11/x
  3. Step 3: Cross multiply
    362.05x = 542.94 × 167.11
  4. Step 4: Simplify right side
    362.05x = 90,730.70
  5. Step 5: Solve for x
    x = 90,730.70/362.05
  6. Step 6: Final answer
    x = 250.60

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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.