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Finding the Fourth Proportional to 235.26, 352.49 and 166.44

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Solution

The fourth proportional to 235.26, 352.49 and 166.44 is: 249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.26 : 352.49 = 166.44 : x
  2. Step 2: Convert to fraction form
    235.26/352.49 = 166.44/x
  3. Step 3: Cross multiply
    235.26x = 352.49 × 166.44
  4. Step 4: Simplify right side
    235.26x = 58,667.60
  5. Step 5: Solve for x
    x = 58,667.60/235.26
  6. Step 6: Final answer
    x = 249.37

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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.