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Finding the Fourth Proportional to 237.25, 327.54 and 159.76

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Solution

The fourth proportional to 237.25, 327.54 and 159.76 is: 220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.25 : 327.54 = 159.76 : x
  2. Step 2: Convert to fraction form
    237.25/327.54 = 159.76/x
  3. Step 3: Cross multiply
    237.25x = 327.54 × 159.76
  4. Step 4: Simplify right side
    237.25x = 52,327.79
  5. Step 5: Solve for x
    x = 52,327.79/237.25
  6. Step 6: Final answer
    x = 220.56

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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.