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Finding the Fourth Proportional to 194.95, 268.84 and 132.07

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Solution

The fourth proportional to 194.95, 268.84 and 132.07 is: 182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.95 : 268.84 = 132.07 : x
  2. Step 2: Convert to fraction form
    194.95/268.84 = 132.07/x
  3. Step 3: Cross multiply
    194.95x = 268.84 × 132.07
  4. Step 4: Simplify right side
    194.95x = 35,505.70
  5. Step 5: Solve for x
    x = 35,505.70/194.95
  6. Step 6: Final answer
    x = 182.13

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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.