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Finding the Fourth Proportional to 249.93, 374.90 and 113.04

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Solution

The fourth proportional to 249.93, 374.90 and 113.04 is: 169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.93 : 374.90 = 113.04 : x
  2. Step 2: Convert to fraction form
    249.93/374.90 = 113.04/x
  3. Step 3: Cross multiply
    249.93x = 374.90 × 113.04
  4. Step 4: Simplify right side
    249.93x = 42,378.13
  5. Step 5: Solve for x
    x = 42,378.13/249.93
  6. Step 6: Final answer
    x = 169.56

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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.