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Finding the Fourth Proportional to 295.33, 443.18 and 112.74

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Solution

The fourth proportional to 295.33, 443.18 and 112.74 is: 169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.33 : 443.18 = 112.74 : x
  2. Step 2: Convert to fraction form
    295.33/443.18 = 112.74/x
  3. Step 3: Cross multiply
    295.33x = 443.18 × 112.74
  4. Step 4: Simplify right side
    295.33x = 49,963.55
  5. Step 5: Solve for x
    x = 49,963.55/295.33
  6. Step 6: Final answer
    x = 169.18

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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.