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Finding the Fourth Proportional to 248.45, 372.47 and 104.27

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Solution

The fourth proportional to 248.45, 372.47 and 104.27 is: 156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.45 : 372.47 = 104.27 : x
  2. Step 2: Convert to fraction form
    248.45/372.47 = 104.27/x
  3. Step 3: Cross multiply
    248.45x = 372.47 × 104.27
  4. Step 4: Simplify right side
    248.45x = 38,835.06
  5. Step 5: Solve for x
    x = 38,835.06/248.45
  6. Step 6: Final answer
    x = 156.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.