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Finding the Fourth Proportional to 236.46, 326.30 and 132.96

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Solution

The fourth proportional to 236.46, 326.30 and 132.96 is: 183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.46 : 326.30 = 132.96 : x
  2. Step 2: Convert to fraction form
    236.46/326.30 = 132.96/x
  3. Step 3: Cross multiply
    236.46x = 326.30 × 132.96
  4. Step 4: Simplify right side
    236.46x = 43,384.85
  5. Step 5: Solve for x
    x = 43,384.85/236.46
  6. Step 6: Final answer
    x = 183.48

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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.