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Finding the Fourth Proportional to 107.73, 161.63 and 35.59

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Solution

The fourth proportional to 107.73, 161.63 and 35.59 is: 53.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.73 : 161.63 = 35.59 : x
  2. Step 2: Convert to fraction form
    107.73/161.63 = 35.59/x
  3. Step 3: Cross multiply
    107.73x = 161.63 × 35.59
  4. Step 4: Simplify right side
    107.73x = 5,752.41
  5. Step 5: Solve for x
    x = 5,752.41/107.73
  6. Step 6: Final answer
    x = 53.40

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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.