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Finding the Fourth Proportional to 299.37, 448.89 and 106.86

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Solution

The fourth proportional to 299.37, 448.89 and 106.86 is: 160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.37 : 448.89 = 106.86 : x
  2. Step 2: Convert to fraction form
    299.37/448.89 = 106.86/x
  3. Step 3: Cross multiply
    299.37x = 448.89 × 106.86
  4. Step 4: Simplify right side
    299.37x = 47,966.14
  5. Step 5: Solve for x
    x = 47,966.14/299.37
  6. Step 6: Final answer
    x = 160.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.