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Finding the Fourth Proportional to 244,512.53, 366,729.44 and 66,978.03

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Solution

The fourth proportional to 244,512.53, 366,729.44 and 66,978.03 is: 100,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,512.53 : 366,729.44 = 66,978.03 : x
  2. Step 2: Convert to fraction form
    244,512.53/366,729.44 = 66,978.03/x
  3. Step 3: Cross multiply
    244,512.53x = 366,729.44 × 66,978.03
  4. Step 4: Simplify right side
    244,512.53x = 24,562,815,099.31
  5. Step 5: Solve for x
    x = 24,562,815,099.31/244,512.53
  6. Step 6: Final answer
    x = 100,456.27

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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.