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Finding the Fourth Proportional to 107.37, 161.04 and 46.53

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Solution

The fourth proportional to 107.37, 161.04 and 46.53 is: 69.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.37 : 161.04 = 46.53 : x
  2. Step 2: Convert to fraction form
    107.37/161.04 = 46.53/x
  3. Step 3: Cross multiply
    107.37x = 161.04 × 46.53
  4. Step 4: Simplify right side
    107.37x = 7,493.19
  5. Step 5: Solve for x
    x = 7,493.19/107.37
  6. Step 6: Final answer
    x = 69.79

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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.