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Finding the Fourth Proportional to 295.92, 443.92 and 90.52

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Solution

The fourth proportional to 295.92, 443.92 and 90.52 is: 135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.92 : 443.92 = 90.52 : x
  2. Step 2: Convert to fraction form
    295.92/443.92 = 90.52/x
  3. Step 3: Cross multiply
    295.92x = 443.92 × 90.52
  4. Step 4: Simplify right side
    295.92x = 40,183.64
  5. Step 5: Solve for x
    x = 40,183.64/295.92
  6. Step 6: Final answer
    x = 135.79

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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.