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Finding the Fourth Proportional to 295.48, 443.16 and 112.90

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Solution

The fourth proportional to 295.48, 443.16 and 112.90 is: 169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.48 : 443.16 = 112.90 : x
  2. Step 2: Convert to fraction form
    295.48/443.16 = 112.90/x
  3. Step 3: Cross multiply
    295.48x = 443.16 × 112.90
  4. Step 4: Simplify right side
    295.48x = 50,032.76
  5. Step 5: Solve for x
    x = 50,032.76/295.48
  6. Step 6: Final answer
    x = 169.33

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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.