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Finding the Fourth Proportional to 236.22, 354.54 and 167.82

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Solution

The fourth proportional to 236.22, 354.54 and 167.82 is: 251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.22 : 354.54 = 167.82 : x
  2. Step 2: Convert to fraction form
    236.22/354.54 = 167.82/x
  3. Step 3: Cross multiply
    236.22x = 354.54 × 167.82
  4. Step 4: Simplify right side
    236.22x = 59,498.90
  5. Step 5: Solve for x
    x = 59,498.90/236.22
  6. Step 6: Final answer
    x = 251.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.