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Finding the Fourth Proportional to 114.69, 171.86 and 63.26

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Solution

The fourth proportional to 114.69, 171.86 and 63.26 is: 94.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.69 : 171.86 = 63.26 : x
  2. Step 2: Convert to fraction form
    114.69/171.86 = 63.26/x
  3. Step 3: Cross multiply
    114.69x = 171.86 × 63.26
  4. Step 4: Simplify right side
    114.69x = 10,870.69
  5. Step 5: Solve for x
    x = 10,870.69/114.69
  6. Step 6: Final answer
    x = 94.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.