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Finding the Fourth Proportional to 249.86, 374.76 and 182.18

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Solution

The fourth proportional to 249.86, 374.76 and 182.18 is: 273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.86 : 374.76 = 182.18 : x
  2. Step 2: Convert to fraction form
    249.86/374.76 = 182.18/x
  3. Step 3: Cross multiply
    249.86x = 374.76 × 182.18
  4. Step 4: Simplify right side
    249.86x = 68,271.90
  5. Step 5: Solve for x
    x = 68,271.90/249.86
  6. Step 6: Final answer
    x = 273.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.