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Finding the Fourth Proportional to 248.37, 372.41 and 94.31

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Solution

The fourth proportional to 248.37, 372.41 and 94.31 is: 141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.37 : 372.41 = 94.31 : x
  2. Step 2: Convert to fraction form
    248.37/372.41 = 94.31/x
  3. Step 3: Cross multiply
    248.37x = 372.41 × 94.31
  4. Step 4: Simplify right side
    248.37x = 35,121.27
  5. Step 5: Solve for x
    x = 35,121.27/248.37
  6. Step 6: Final answer
    x = 141.41

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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.