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Finding the Fourth Proportional to 295.66, 443.41 and 122.15

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Solution

The fourth proportional to 295.66, 443.41 and 122.15 is: 183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.66 : 443.41 = 122.15 : x
  2. Step 2: Convert to fraction form
    295.66/443.41 = 122.15/x
  3. Step 3: Cross multiply
    295.66x = 443.41 × 122.15
  4. Step 4: Simplify right side
    295.66x = 54,162.53
  5. Step 5: Solve for x
    x = 54,162.53/295.66
  6. Step 6: Final answer
    x = 183.19

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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.