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Finding the Fourth Proportional to 248.96, 373.36 and 94.91

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Solution

The fourth proportional to 248.96, 373.36 and 94.91 is: 142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.96 : 373.36 = 94.91 : x
  2. Step 2: Convert to fraction form
    248.96/373.36 = 94.91/x
  3. Step 3: Cross multiply
    248.96x = 373.36 × 94.91
  4. Step 4: Simplify right side
    248.96x = 35,435.60
  5. Step 5: Solve for x
    x = 35,435.60/248.96
  6. Step 6: Final answer
    x = 142.33

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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.