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Finding the Fourth Proportional to 235.37, 352.55 and 132.60

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Solution

The fourth proportional to 235.37, 352.55 and 132.60 is: 198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.37 : 352.55 = 132.60 : x
  2. Step 2: Convert to fraction form
    235.37/352.55 = 132.60/x
  3. Step 3: Cross multiply
    235.37x = 352.55 × 132.60
  4. Step 4: Simplify right side
    235.37x = 46,747.47
  5. Step 5: Solve for x
    x = 46,747.47/235.37
  6. Step 6: Final answer
    x = 198.61

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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.