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Finding the Fourth Proportional to 199.44, 275.76 and 182.61

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Solution

The fourth proportional to 199.44, 275.76 and 182.61 is: 252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.44 : 275.76 = 182.61 : x
  2. Step 2: Convert to fraction form
    199.44/275.76 = 182.61/x
  3. Step 3: Cross multiply
    199.44x = 275.76 × 182.61
  4. Step 4: Simplify right side
    199.44x = 50,356.53
  5. Step 5: Solve for x
    x = 50,356.53/199.44
  6. Step 6: Final answer
    x = 252.49

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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.