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Finding the Fourth Proportional to 299.11, 448.51 and 116.36

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Solution

The fourth proportional to 299.11, 448.51 and 116.36 is: 174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.11 : 448.51 = 116.36 : x
  2. Step 2: Convert to fraction form
    299.11/448.51 = 116.36/x
  3. Step 3: Cross multiply
    299.11x = 448.51 × 116.36
  4. Step 4: Simplify right side
    299.11x = 52,185.80
  5. Step 5: Solve for x
    x = 52,185.80/299.11
  6. Step 6: Final answer
    x = 174.47

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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.