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Finding the Fourth Proportional to 248.48, 372.44 and 104.24

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Solution

The fourth proportional to 248.48, 372.44 and 104.24 is: 156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.48 : 372.44 = 104.24 : x
  2. Step 2: Convert to fraction form
    248.48/372.44 = 104.24/x
  3. Step 3: Cross multiply
    248.48x = 372.44 × 104.24
  4. Step 4: Simplify right side
    248.48x = 38,823.15
  5. Step 5: Solve for x
    x = 38,823.15/248.48
  6. Step 6: Final answer
    x = 156.24

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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.