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Finding the Fourth Proportional to 295.41, 443.18 and 112.81

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Solution

The fourth proportional to 295.41, 443.18 and 112.81 is: 169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.41 : 443.18 = 112.81 : x
  2. Step 2: Convert to fraction form
    295.41/443.18 = 112.81/x
  3. Step 3: Cross multiply
    295.41x = 443.18 × 112.81
  4. Step 4: Simplify right side
    295.41x = 49,995.14
  5. Step 5: Solve for x
    x = 49,995.14/295.41
  6. Step 6: Final answer
    x = 169.24

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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.