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Finding the Fourth Proportional to 268.16, 402.23 and 94.83

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Solution

The fourth proportional to 268.16, 402.23 and 94.83 is: 142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.16 : 402.23 = 94.83 : x
  2. Step 2: Convert to fraction form
    268.16/402.23 = 94.83/x
  3. Step 3: Cross multiply
    268.16x = 402.23 × 94.83
  4. Step 4: Simplify right side
    268.16x = 38,143.00
  5. Step 5: Solve for x
    x = 38,143.00/268.16
  6. Step 6: Final answer
    x = 142.24

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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.