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Finding the Fourth Proportional to 195.76, 269.76 and 182.64

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Solution

The fourth proportional to 195.76, 269.76 and 182.64 is: 251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.76 : 269.76 = 182.64 : x
  2. Step 2: Convert to fraction form
    195.76/269.76 = 182.64/x
  3. Step 3: Cross multiply
    195.76x = 269.76 × 182.64
  4. Step 4: Simplify right side
    195.76x = 49,268.97
  5. Step 5: Solve for x
    x = 49,268.97/195.76
  6. Step 6: Final answer
    x = 251.68

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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.