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Finding the Fourth Proportional to 168,579.66, 252,879.22 and 63,399.54

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Solution

The fourth proportional to 168,579.66, 252,879.22 and 63,399.54 is: 95,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,579.66 : 252,879.22 = 63,399.54 : x
  2. Step 2: Convert to fraction form
    168,579.66/252,879.22 = 63,399.54/x
  3. Step 3: Cross multiply
    168,579.66x = 252,879.22 × 63,399.54
  4. Step 4: Simplify right side
    168,579.66x = 16,032,426,223.56
  5. Step 5: Solve for x
    x = 16,032,426,223.56/168,579.66
  6. Step 6: Final answer
    x = 95,102.97

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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.