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Finding the Fourth Proportional to 262.38, 362.22 and 173.86

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Solution

The fourth proportional to 262.38, 362.22 and 173.86 is: 240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.38 : 362.22 = 173.86 : x
  2. Step 2: Convert to fraction form
    262.38/362.22 = 173.86/x
  3. Step 3: Cross multiply
    262.38x = 362.22 × 173.86
  4. Step 4: Simplify right side
    262.38x = 62,975.57
  5. Step 5: Solve for x
    x = 62,975.57/262.38
  6. Step 6: Final answer
    x = 240.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.