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Finding the Fourth Proportional to 236.12, 353.92 and 133.44

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Solution

The fourth proportional to 236.12, 353.92 and 133.44 is: 200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.12 : 353.92 = 133.44 : x
  2. Step 2: Convert to fraction form
    236.12/353.92 = 133.44/x
  3. Step 3: Cross multiply
    236.12x = 353.92 × 133.44
  4. Step 4: Simplify right side
    236.12x = 47,227.08
  5. Step 5: Solve for x
    x = 47,227.08/236.12
  6. Step 6: Final answer
    x = 200.01

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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.