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Finding the Fourth Proportional to 182.91, 252.23 and 143.50

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Solution

The fourth proportional to 182.91, 252.23 and 143.50 is: 197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.91 : 252.23 = 143.50 : x
  2. Step 2: Convert to fraction form
    182.91/252.23 = 143.50/x
  3. Step 3: Cross multiply
    182.91x = 252.23 × 143.50
  4. Step 4: Simplify right side
    182.91x = 36,195.01
  5. Step 5: Solve for x
    x = 36,195.01/182.91
  6. Step 6: Final answer
    x = 197.88

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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.