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Finding the Fourth Proportional to 107.73, 161.60 and 62.08

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Solution

The fourth proportional to 107.73, 161.60 and 62.08 is: 93.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.73 : 161.60 = 62.08 : x
  2. Step 2: Convert to fraction form
    107.73/161.60 = 62.08/x
  3. Step 3: Cross multiply
    107.73x = 161.60 × 62.08
  4. Step 4: Simplify right side
    107.73x = 10,031.41
  5. Step 5: Solve for x
    x = 10,031.41/107.73
  6. Step 6: Final answer
    x = 93.12

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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.