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Finding the Fourth Proportional to 263.95, 395.68 and 101.59

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Solution

The fourth proportional to 263.95, 395.68 and 101.59 is: 152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.95 : 395.68 = 101.59 : x
  2. Step 2: Convert to fraction form
    263.95/395.68 = 101.59/x
  3. Step 3: Cross multiply
    263.95x = 395.68 × 101.59
  4. Step 4: Simplify right side
    263.95x = 40,197.13
  5. Step 5: Solve for x
    x = 40,197.13/263.95
  6. Step 6: Final answer
    x = 152.29

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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.