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Finding the Fourth Proportional to 248.92, 373.38 and 94.89

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Solution

The fourth proportional to 248.92, 373.38 and 94.89 is: 142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.92 : 373.38 = 94.89 : x
  2. Step 2: Convert to fraction form
    248.92/373.38 = 94.89/x
  3. Step 3: Cross multiply
    248.92x = 373.38 × 94.89
  4. Step 4: Simplify right side
    248.92x = 35,430.03
  5. Step 5: Solve for x
    x = 35,430.03/248.92
  6. Step 6: Final answer
    x = 142.34

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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.