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Finding the Fourth Proportional to 194.71, 268.60 and 132.52

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Solution

The fourth proportional to 194.71, 268.60 and 132.52 is: 182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.71 : 268.60 = 132.52 : x
  2. Step 2: Convert to fraction form
    194.71/268.60 = 132.52/x
  3. Step 3: Cross multiply
    194.71x = 268.60 × 132.52
  4. Step 4: Simplify right side
    194.71x = 35,594.87
  5. Step 5: Solve for x
    x = 35,594.87/194.71
  6. Step 6: Final answer
    x = 182.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.