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Finding the Fourth Proportional to 295.79, 443.63 and 113.16

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Solution

The fourth proportional to 295.79, 443.63 and 113.16 is: 169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.79 : 443.63 = 113.16 : x
  2. Step 2: Convert to fraction form
    295.79/443.63 = 113.16/x
  3. Step 3: Cross multiply
    295.79x = 443.63 × 113.16
  4. Step 4: Simplify right side
    295.79x = 50,200.61
  5. Step 5: Solve for x
    x = 50,200.61/295.79
  6. Step 6: Final answer
    x = 169.72

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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.