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Finding the Fourth Proportional to 235.52, 353.24 and 107.24

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Solution

The fourth proportional to 235.52, 353.24 and 107.24 is: 160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.52 : 353.24 = 107.24 : x
  2. Step 2: Convert to fraction form
    235.52/353.24 = 107.24/x
  3. Step 3: Cross multiply
    235.52x = 353.24 × 107.24
  4. Step 4: Simplify right side
    235.52x = 37,881.46
  5. Step 5: Solve for x
    x = 37,881.46/235.52
  6. Step 6: Final answer
    x = 160.84

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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.