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Finding the Fourth Proportional to 299.37, 448.93 and 116.66

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Solution

The fourth proportional to 299.37, 448.93 and 116.66 is: 174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.37 : 448.93 = 116.66 : x
  2. Step 2: Convert to fraction form
    299.37/448.93 = 116.66/x
  3. Step 3: Cross multiply
    299.37x = 448.93 × 116.66
  4. Step 4: Simplify right side
    299.37x = 52,371.59
  5. Step 5: Solve for x
    x = 52,371.59/299.37
  6. Step 6: Final answer
    x = 174.94

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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.