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Finding the Fourth Proportional to 295.92, 443.68 and 113.28

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Solution

The fourth proportional to 295.92, 443.68 and 113.28 is: 169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.92 : 443.68 = 113.28 : x
  2. Step 2: Convert to fraction form
    295.92/443.68 = 113.28/x
  3. Step 3: Cross multiply
    295.92x = 443.68 × 113.28
  4. Step 4: Simplify right side
    295.92x = 50,260.07
  5. Step 5: Solve for x
    x = 50,260.07/295.92
  6. Step 6: Final answer
    x = 169.84

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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.