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Finding the Fourth Proportional to 168,203.56, 252,331.26 and 49,893.16

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Solution

The fourth proportional to 168,203.56, 252,331.26 and 49,893.16 is: 74,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,203.56 : 252,331.26 = 49,893.16 : x
  2. Step 2: Convert to fraction form
    168,203.56/252,331.26 = 49,893.16/x
  3. Step 3: Cross multiply
    168,203.56x = 252,331.26 × 49,893.16
  4. Step 4: Simplify right side
    168,203.56x = 12,589,603,928.18
  5. Step 5: Solve for x
    x = 12,589,603,928.18/168,203.56
  6. Step 6: Final answer
    x = 74,847.43

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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.