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Finding the Fourth Proportional to 263.99, 395.94 and 101.59

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Solution

The fourth proportional to 263.99, 395.94 and 101.59 is: 152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.99 : 395.94 = 101.59 : x
  2. Step 2: Convert to fraction form
    263.99/395.94 = 101.59/x
  3. Step 3: Cross multiply
    263.99x = 395.94 × 101.59
  4. Step 4: Simplify right side
    263.99x = 40,223.54
  5. Step 5: Solve for x
    x = 40,223.54/263.99
  6. Step 6: Final answer
    x = 152.37

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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.