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Finding the Fourth Proportional to 231,556.20, 347,361.30 and 73,800.60

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Solution

The fourth proportional to 231,556.20, 347,361.30 and 73,800.60 is: 110,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,556.20 : 347,361.30 = 73,800.60 : x
  2. Step 2: Convert to fraction form
    231,556.20/347,361.30 = 73,800.60/x
  3. Step 3: Cross multiply
    231,556.20x = 347,361.30 × 73,800.60
  4. Step 4: Simplify right side
    231,556.20x = 25,635,472,356.78
  5. Step 5: Solve for x
    x = 25,635,472,356.78/231,556.20
  6. Step 6: Final answer
    x = 110,709.51

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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.