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Finding the Fourth Proportional to 237.38, 355.77 and 168.53

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Solution

The fourth proportional to 237.38, 355.77 and 168.53 is: 252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.38 : 355.77 = 168.53 : x
  2. Step 2: Convert to fraction form
    237.38/355.77 = 168.53/x
  3. Step 3: Cross multiply
    237.38x = 355.77 × 168.53
  4. Step 4: Simplify right side
    237.38x = 59,956.14
  5. Step 5: Solve for x
    x = 59,956.14/237.38
  6. Step 6: Final answer
    x = 252.58

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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.