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Finding the Fourth Proportional to 263.53, 395.30 and 101.26

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Solution

The fourth proportional to 263.53, 395.30 and 101.26 is: 151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.53 : 395.30 = 101.26 : x
  2. Step 2: Convert to fraction form
    263.53/395.30 = 101.26/x
  3. Step 3: Cross multiply
    263.53x = 395.30 × 101.26
  4. Step 4: Simplify right side
    263.53x = 40,028.08
  5. Step 5: Solve for x
    x = 40,028.08/263.53
  6. Step 6: Final answer
    x = 151.89

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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.