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Finding the Fourth Proportional to 295.65, 443.21 and 113.00

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Solution

The fourth proportional to 295.65, 443.21 and 113.00 is: 169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.65 : 443.21 = 113.00 : x
  2. Step 2: Convert to fraction form
    295.65/443.21 = 113.00/x
  3. Step 3: Cross multiply
    295.65x = 443.21 × 113.00
  4. Step 4: Simplify right side
    295.65x = 50,079.95
  5. Step 5: Solve for x
    x = 50,079.95/295.65
  6. Step 6: Final answer
    x = 169.39

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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.