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Finding the Fourth Proportional to 107.37, 160.84 and 61.67

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Solution

The fourth proportional to 107.37, 160.84 and 61.67 is: 92.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.37 : 160.84 = 61.67 : x
  2. Step 2: Convert to fraction form
    107.37/160.84 = 61.67/x
  3. Step 3: Cross multiply
    107.37x = 160.84 × 61.67
  4. Step 4: Simplify right side
    107.37x = 9,919.00
  5. Step 5: Solve for x
    x = 9,919.00/107.37
  6. Step 6: Final answer
    x = 92.38

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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.