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Finding the Fourth Proportional to 236.76, 355.36 and 168.04

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Solution

The fourth proportional to 236.76, 355.36 and 168.04 is: 252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.76 : 355.36 = 168.04 : x
  2. Step 2: Convert to fraction form
    236.76/355.36 = 168.04/x
  3. Step 3: Cross multiply
    236.76x = 355.36 × 168.04
  4. Step 4: Simplify right side
    236.76x = 59,714.69
  5. Step 5: Solve for x
    x = 59,714.69/236.76
  6. Step 6: Final answer
    x = 252.22

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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.