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Finding the Fourth Proportional to 107.32, 160.97 and 35.19

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Solution

The fourth proportional to 107.32, 160.97 and 35.19 is: 52.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.32 : 160.97 = 35.19 : x
  2. Step 2: Convert to fraction form
    107.32/160.97 = 35.19/x
  3. Step 3: Cross multiply
    107.32x = 160.97 × 35.19
  4. Step 4: Simplify right side
    107.32x = 5,664.53
  5. Step 5: Solve for x
    x = 5,664.53/107.32
  6. Step 6: Final answer
    x = 52.78

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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.