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Finding the Fourth Proportional to 236.62, 354.72 and 168.26

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Solution

The fourth proportional to 236.62, 354.72 and 168.26 is: 252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.62 : 354.72 = 168.26 : x
  2. Step 2: Convert to fraction form
    236.62/354.72 = 168.26/x
  3. Step 3: Cross multiply
    236.62x = 354.72 × 168.26
  4. Step 4: Simplify right side
    236.62x = 59,685.19
  5. Step 5: Solve for x
    x = 59,685.19/236.62
  6. Step 6: Final answer
    x = 252.24

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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.