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Finding the Fourth Proportional to 295.74, 443.66 and 113.12

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Solution

The fourth proportional to 295.74, 443.66 and 113.12 is: 169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.74 : 443.66 = 113.12 : x
  2. Step 2: Convert to fraction form
    295.74/443.66 = 113.12/x
  3. Step 3: Cross multiply
    295.74x = 443.66 × 113.12
  4. Step 4: Simplify right side
    295.74x = 50,186.82
  5. Step 5: Solve for x
    x = 50,186.82/295.74
  6. Step 6: Final answer
    x = 169.70

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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.