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Finding the Fourth Proportional to 236.54, 326.56 and 162.97

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Solution

The fourth proportional to 236.54, 326.56 and 162.97 is: 224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.54 : 326.56 = 162.97 : x
  2. Step 2: Convert to fraction form
    236.54/326.56 = 162.97/x
  3. Step 3: Cross multiply
    236.54x = 326.56 × 162.97
  4. Step 4: Simplify right side
    236.54x = 53,217.85
  5. Step 5: Solve for x
    x = 53,217.85/236.54
  6. Step 6: Final answer
    x = 224.98

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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.