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Finding the Fourth Proportional to 352.24, 528.36 and 92.24

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Solution

The fourth proportional to 352.24, 528.36 and 92.24 is: 138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.24 : 528.36 = 92.24 : x
  2. Step 2: Convert to fraction form
    352.24/528.36 = 92.24/x
  3. Step 3: Cross multiply
    352.24x = 528.36 × 92.24
  4. Step 4: Simplify right side
    352.24x = 48,735.93
  5. Step 5: Solve for x
    x = 48,735.93/352.24
  6. Step 6: Final answer
    x = 138.36

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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.