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Finding the Fourth Proportional to 263.34, 395.02 and 134.94

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Solution

The fourth proportional to 263.34, 395.02 and 134.94 is: 202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 395.02 = 134.94 : x
  2. Step 2: Convert to fraction form
    263.34/395.02 = 134.94/x
  3. Step 3: Cross multiply
    263.34x = 395.02 × 134.94
  4. Step 4: Simplify right side
    263.34x = 53,304.00
  5. Step 5: Solve for x
    x = 53,304.00/263.34
  6. Step 6: Final answer
    x = 202.42

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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.