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Finding the Fourth Proportional to 107.24, 160.77 and 52.37

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Solution

The fourth proportional to 107.24, 160.77 and 52.37 is: 78.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.24 : 160.77 = 52.37 : x
  2. Step 2: Convert to fraction form
    107.24/160.77 = 52.37/x
  3. Step 3: Cross multiply
    107.24x = 160.77 × 52.37
  4. Step 4: Simplify right side
    107.24x = 8,419.73
  5. Step 5: Solve for x
    x = 8,419.73/107.24
  6. Step 6: Final answer
    x = 78.51

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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.