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Finding the Fourth Proportional to 295.82, 443.74 and 113.20

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Solution

The fourth proportional to 295.82, 443.74 and 113.20 is: 169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.82 : 443.74 = 113.20 : x
  2. Step 2: Convert to fraction form
    295.82/443.74 = 113.20/x
  3. Step 3: Cross multiply
    295.82x = 443.74 × 113.20
  4. Step 4: Simplify right side
    295.82x = 50,231.37
  5. Step 5: Solve for x
    x = 50,231.37/295.82
  6. Step 6: Final answer
    x = 169.80

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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.