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Finding the Fourth Proportional to 295.79, 443.60 and 113.23

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Solution

The fourth proportional to 295.79, 443.60 and 113.23 is: 169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.79 : 443.60 = 113.23 : x
  2. Step 2: Convert to fraction form
    295.79/443.60 = 113.23/x
  3. Step 3: Cross multiply
    295.79x = 443.60 × 113.23
  4. Step 4: Simplify right side
    295.79x = 50,226.04
  5. Step 5: Solve for x
    x = 50,226.04/295.79
  6. Step 6: Final answer
    x = 169.80

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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.