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Finding the Fourth Proportional to 73.96, 110.33 and 65.86

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Solution

The fourth proportional to 73.96, 110.33 and 65.86 is: 98.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.96 : 110.33 = 65.86 : x
  2. Step 2: Convert to fraction form
    73.96/110.33 = 65.86/x
  3. Step 3: Cross multiply
    73.96x = 110.33 × 65.86
  4. Step 4: Simplify right side
    73.96x = 7,266.33
  5. Step 5: Solve for x
    x = 7,266.33/73.96
  6. Step 6: Final answer
    x = 98.25

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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.