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Finding the Fourth Proportional to 237.25, 327.41 and 133.75

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Solution

The fourth proportional to 237.25, 327.41 and 133.75 is: 184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.25 : 327.41 = 133.75 : x
  2. Step 2: Convert to fraction form
    237.25/327.41 = 133.75/x
  3. Step 3: Cross multiply
    237.25x = 327.41 × 133.75
  4. Step 4: Simplify right side
    237.25x = 43,791.09
  5. Step 5: Solve for x
    x = 43,791.09/237.25
  6. Step 6: Final answer
    x = 184.58

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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.