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Finding the Fourth Proportional to 73,245.56, 109,863.70 and 23,361.44

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Solution

The fourth proportional to 73,245.56, 109,863.70 and 23,361.44 is: 35,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.56 : 109,863.70 = 23,361.44 : x
  2. Step 2: Convert to fraction form
    73,245.56/109,863.70 = 23,361.44/x
  3. Step 3: Cross multiply
    73,245.56x = 109,863.70 × 23,361.44
  4. Step 4: Simplify right side
    73,245.56x = 2,566,574,235.73
  5. Step 5: Solve for x
    x = 2,566,574,235.73/73,245.56
  6. Step 6: Final answer
    x = 35,040.68

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Why These Related Problems?

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