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Finding the Fourth Proportional to 299.46, 449.19 and 94.04

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Solution

The fourth proportional to 299.46, 449.19 and 94.04 is: 141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.46 : 449.19 = 94.04 : x
  2. Step 2: Convert to fraction form
    299.46/449.19 = 94.04/x
  3. Step 3: Cross multiply
    299.46x = 449.19 × 94.04
  4. Step 4: Simplify right side
    299.46x = 42,242.26
  5. Step 5: Solve for x
    x = 42,242.26/299.46
  6. Step 6: Final answer
    x = 141.06

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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.