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Finding the Fourth Proportional to 73.01, 108.83 and 67.54

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Solution

The fourth proportional to 73.01, 108.83 and 67.54 is: 100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.01 : 108.83 = 67.54 : x
  2. Step 2: Convert to fraction form
    73.01/108.83 = 67.54/x
  3. Step 3: Cross multiply
    73.01x = 108.83 × 67.54
  4. Step 4: Simplify right side
    73.01x = 7,350.38
  5. Step 5: Solve for x
    x = 7,350.38/73.01
  6. Step 6: Final answer
    x = 100.68

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.