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Finding the Fourth Proportional to 295.91, 443.61 and 113.18

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Solution

The fourth proportional to 295.91, 443.61 and 113.18 is: 169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.91 : 443.61 = 113.18 : x
  2. Step 2: Convert to fraction form
    295.91/443.61 = 113.18/x
  3. Step 3: Cross multiply
    295.91x = 443.61 × 113.18
  4. Step 4: Simplify right side
    295.91x = 50,205.00
  5. Step 5: Solve for x
    x = 50,205.00/295.91
  6. Step 6: Final answer
    x = 169.67

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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.