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Finding the Fourth Proportional to 237.44, 327.43 and 158.74

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Solution

The fourth proportional to 237.44, 327.43 and 158.74 is: 218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.44 : 327.43 = 158.74 : x
  2. Step 2: Convert to fraction form
    237.44/327.43 = 158.74/x
  3. Step 3: Cross multiply
    237.44x = 327.43 × 158.74
  4. Step 4: Simplify right side
    237.44x = 51,976.24
  5. Step 5: Solve for x
    x = 51,976.24/237.44
  6. Step 6: Final answer
    x = 218.90

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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.