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Finding the Fourth Proportional to 248.67, 372.75 and 94.50

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Solution

The fourth proportional to 248.67, 372.75 and 94.50 is: 141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.67 : 372.75 = 94.50 : x
  2. Step 2: Convert to fraction form
    248.67/372.75 = 94.50/x
  3. Step 3: Cross multiply
    248.67x = 372.75 × 94.50
  4. Step 4: Simplify right side
    248.67x = 35,224.88
  5. Step 5: Solve for x
    x = 35,224.88/248.67
  6. Step 6: Final answer
    x = 141.65

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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.