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Finding the Fourth Proportional to 235.88, 353.06 and 132.92

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Solution

The fourth proportional to 235.88, 353.06 and 132.92 is: 198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.88 : 353.06 = 132.92 : x
  2. Step 2: Convert to fraction form
    235.88/353.06 = 132.92/x
  3. Step 3: Cross multiply
    235.88x = 353.06 × 132.92
  4. Step 4: Simplify right side
    235.88x = 46,928.74
  5. Step 5: Solve for x
    x = 46,928.74/235.88
  6. Step 6: Final answer
    x = 198.95

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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.