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Finding the Fourth Proportional to 107.36, 160.73 and 96.42

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Solution

The fourth proportional to 107.36, 160.73 and 96.42 is: 144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.36 : 160.73 = 96.42 : x
  2. Step 2: Convert to fraction form
    107.36/160.73 = 96.42/x
  3. Step 3: Cross multiply
    107.36x = 160.73 × 96.42
  4. Step 4: Simplify right side
    107.36x = 15,497.10
  5. Step 5: Solve for x
    x = 15,497.10/107.36
  6. Step 6: Final answer
    x = 144.35

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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.