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Finding the Fourth Proportional to 183.29, 252.79 and 178.83

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Solution

The fourth proportional to 183.29, 252.79 and 178.83 is: 246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.29 : 252.79 = 178.83 : x
  2. Step 2: Convert to fraction form
    183.29/252.79 = 178.83/x
  3. Step 3: Cross multiply
    183.29x = 252.79 × 178.83
  4. Step 4: Simplify right side
    183.29x = 45,205.99
  5. Step 5: Solve for x
    x = 45,205.99/183.29
  6. Step 6: Final answer
    x = 246.64

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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.