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Finding the Fourth Proportional to 146.26, 219.37 and 43.53

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Solution

The fourth proportional to 146.26, 219.37 and 43.53 is: 65.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.26 : 219.37 = 43.53 : x
  2. Step 2: Convert to fraction form
    146.26/219.37 = 43.53/x
  3. Step 3: Cross multiply
    146.26x = 219.37 × 43.53
  4. Step 4: Simplify right side
    146.26x = 9,550.05
  5. Step 5: Solve for x
    x = 9,550.05/146.26
  6. Step 6: Final answer
    x = 65.30

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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.