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Finding the Fourth Proportional to 248.09, 371.76 and 110.94

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Solution

The fourth proportional to 248.09, 371.76 and 110.94 is: 166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.09 : 371.76 = 110.94 : x
  2. Step 2: Convert to fraction form
    248.09/371.76 = 110.94/x
  3. Step 3: Cross multiply
    248.09x = 371.76 × 110.94
  4. Step 4: Simplify right side
    248.09x = 41,243.05
  5. Step 5: Solve for x
    x = 41,243.05/248.09
  6. Step 6: Final answer
    x = 166.25

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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.