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Finding the Fourth Proportional to 235.28, 352.84 and 107

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Solution

The fourth proportional to 235.28, 352.84 and 107 is: 160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.28 : 352.84 = 107 : x
  2. Step 2: Convert to fraction form
    235.28/352.84 = 107/x
  3. Step 3: Cross multiply
    235.28x = 352.84 × 107
  4. Step 4: Simplify right side
    235.28x = 37,753.88
  5. Step 5: Solve for x
    x = 37,753.88/235.28
  6. Step 6: Final answer
    x = 160.46

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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.