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Finding the Fourth Proportional to 248.44, 372.35 and 157.16

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Solution

The fourth proportional to 248.44, 372.35 and 157.16 is: 235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.44 : 372.35 = 157.16 : x
  2. Step 2: Convert to fraction form
    248.44/372.35 = 157.16/x
  3. Step 3: Cross multiply
    248.44x = 372.35 × 157.16
  4. Step 4: Simplify right side
    248.44x = 58,518.44
  5. Step 5: Solve for x
    x = 58,518.44/248.44
  6. Step 6: Final answer
    x = 235.55

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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.