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Finding the Fourth Proportional to 263.34, 363.42 and 165.06

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Solution

The fourth proportional to 263.34, 363.42 and 165.06 is: 227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 363.42 = 165.06 : x
  2. Step 2: Convert to fraction form
    263.34/363.42 = 165.06/x
  3. Step 3: Cross multiply
    263.34x = 363.42 × 165.06
  4. Step 4: Simplify right side
    263.34x = 59,986.11
  5. Step 5: Solve for x
    x = 59,986.11/263.34
  6. Step 6: Final answer
    x = 227.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.