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Finding the Fourth Proportional to 230.41, 345.73 and 93.55

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Solution

The fourth proportional to 230.41, 345.73 and 93.55 is: 140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.41 : 345.73 = 93.55 : x
  2. Step 2: Convert to fraction form
    230.41/345.73 = 93.55/x
  3. Step 3: Cross multiply
    230.41x = 345.73 × 93.55
  4. Step 4: Simplify right side
    230.41x = 32,343.04
  5. Step 5: Solve for x
    x = 32,343.04/230.41
  6. Step 6: Final answer
    x = 140.37

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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.