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Finding the Fourth Proportional to 295.56, 443.18 and 112.92

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Solution

The fourth proportional to 295.56, 443.18 and 112.92 is: 169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.56 : 443.18 = 112.92 : x
  2. Step 2: Convert to fraction form
    295.56/443.18 = 112.92/x
  3. Step 3: Cross multiply
    295.56x = 443.18 × 112.92
  4. Step 4: Simplify right side
    295.56x = 50,042.51
  5. Step 5: Solve for x
    x = 50,042.51/295.56
  6. Step 6: Final answer
    x = 169.31

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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.