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Finding the Fourth Proportional to 107.35, 160.92 and 35.17

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Solution

The fourth proportional to 107.35, 160.92 and 35.17 is: 52.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.35 : 160.92 = 35.17 : x
  2. Step 2: Convert to fraction form
    107.35/160.92 = 35.17/x
  3. Step 3: Cross multiply
    107.35x = 160.92 × 35.17
  4. Step 4: Simplify right side
    107.35x = 5,659.15
  5. Step 5: Solve for x
    x = 5,659.15/107.35
  6. Step 6: Final answer
    x = 52.72

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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.