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Finding the Fourth Proportional to 248.49, 372.75 and 94.59

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Solution

The fourth proportional to 248.49, 372.75 and 94.59 is: 141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.49 : 372.75 = 94.59 : x
  2. Step 2: Convert to fraction form
    248.49/372.75 = 94.59/x
  3. Step 3: Cross multiply
    248.49x = 372.75 × 94.59
  4. Step 4: Simplify right side
    248.49x = 35,258.42
  5. Step 5: Solve for x
    x = 35,258.42/248.49
  6. Step 6: Final answer
    x = 141.89

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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.