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Finding the Fourth Proportional to 355.92, 533.77 and 112.37

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Solution

The fourth proportional to 355.92, 533.77 and 112.37 is: 168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.92 : 533.77 = 112.37 : x
  2. Step 2: Convert to fraction form
    355.92/533.77 = 112.37/x
  3. Step 3: Cross multiply
    355.92x = 533.77 × 112.37
  4. Step 4: Simplify right side
    355.92x = 59,976.79
  5. Step 5: Solve for x
    x = 59,976.79/355.92
  6. Step 6: Final answer
    x = 168.51

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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.