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Finding the Fourth Proportional to 248.28, 372.63 and 94.26

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Solution

The fourth proportional to 248.28, 372.63 and 94.26 is: 141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.28 : 372.63 = 94.26 : x
  2. Step 2: Convert to fraction form
    248.28/372.63 = 94.26/x
  3. Step 3: Cross multiply
    248.28x = 372.63 × 94.26
  4. Step 4: Simplify right side
    248.28x = 35,124.10
  5. Step 5: Solve for x
    x = 35,124.10/248.28
  6. Step 6: Final answer
    x = 141.47

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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.