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Finding the Fourth Proportional to 236.34, 326.24 and 162.68

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Solution

The fourth proportional to 236.34, 326.24 and 162.68 is: 224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.34 : 326.24 = 162.68 : x
  2. Step 2: Convert to fraction form
    236.34/326.24 = 162.68/x
  3. Step 3: Cross multiply
    236.34x = 326.24 × 162.68
  4. Step 4: Simplify right side
    236.34x = 53,070.28
  5. Step 5: Solve for x
    x = 53,070.28/236.34
  6. Step 6: Final answer
    x = 224.55

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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.