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Finding the Fourth Proportional to 235.46, 352.73 and 132.43

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Solution

The fourth proportional to 235.46, 352.73 and 132.43 is: 198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.46 : 352.73 = 132.43 : x
  2. Step 2: Convert to fraction form
    235.46/352.73 = 132.43/x
  3. Step 3: Cross multiply
    235.46x = 352.73 × 132.43
  4. Step 4: Simplify right side
    235.46x = 46,712.03
  5. Step 5: Solve for x
    x = 46,712.03/235.46
  6. Step 6: Final answer
    x = 198.39

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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.