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Finding the Fourth Proportional to 236.92, 327.02 and 149.65

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Solution

The fourth proportional to 236.92, 327.02 and 149.65 is: 206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.92 : 327.02 = 149.65 : x
  2. Step 2: Convert to fraction form
    236.92/327.02 = 149.65/x
  3. Step 3: Cross multiply
    236.92x = 327.02 × 149.65
  4. Step 4: Simplify right side
    236.92x = 48,938.54
  5. Step 5: Solve for x
    x = 48,938.54/236.92
  6. Step 6: Final answer
    x = 206.56

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