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Finding the Fourth Proportional to 299, 448.14 and 168.98

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Solution

The fourth proportional to 299, 448.14 and 168.98 is: 253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299 : 448.14 = 168.98 : x
  2. Step 2: Convert to fraction form
    299/448.14 = 168.98/x
  3. Step 3: Cross multiply
    299x = 448.14 × 168.98
  4. Step 4: Simplify right side
    299x = 75,726.70
  5. Step 5: Solve for x
    x = 75,726.70/299
  6. Step 6: Final answer
    x = 253.27

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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.