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Finding the Fourth Proportional to 355.22, 532.77 and 95.24

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Solution

The fourth proportional to 355.22, 532.77 and 95.24 is: 142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.22 : 532.77 = 95.24 : x
  2. Step 2: Convert to fraction form
    355.22/532.77 = 95.24/x
  3. Step 3: Cross multiply
    355.22x = 532.77 × 95.24
  4. Step 4: Simplify right side
    355.22x = 50,738.99
  5. Step 5: Solve for x
    x = 50,738.99/355.22
  6. Step 6: Final answer
    x = 142.84

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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.