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Finding the Fourth Proportional to 299.22, 412.95 and 168.24

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Solution

The fourth proportional to 299.22, 412.95 and 168.24 is: 232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.22 : 412.95 = 168.24 : x
  2. Step 2: Convert to fraction form
    299.22/412.95 = 168.24/x
  3. Step 3: Cross multiply
    299.22x = 412.95 × 168.24
  4. Step 4: Simplify right side
    299.22x = 69,474.71
  5. Step 5: Solve for x
    x = 69,474.71/299.22
  6. Step 6: Final answer
    x = 232.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.