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Finding the Fourth Proportional to 192.24, 286.65 and 182.79

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Solution

The fourth proportional to 192.24, 286.65 and 182.79 is: 272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.24 : 286.65 = 182.79 : x
  2. Step 2: Convert to fraction form
    192.24/286.65 = 182.79/x
  3. Step 3: Cross multiply
    192.24x = 286.65 × 182.79
  4. Step 4: Simplify right side
    192.24x = 52,396.75
  5. Step 5: Solve for x
    x = 52,396.75/192.24
  6. Step 6: Final answer
    x = 272.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.