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Finding the Fourth Proportional to 168,279.44, 252,467.00 and 68,511.24

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Solution

The fourth proportional to 168,279.44, 252,467.00 and 68,511.24 is: 102,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,279.44 : 252,467.00 = 68,511.24 : x
  2. Step 2: Convert to fraction form
    168,279.44/252,467.00 = 68,511.24/x
  3. Step 3: Cross multiply
    168,279.44x = 252,467.00 × 68,511.24
  4. Step 4: Simplify right side
    168,279.44x = 17,296,826,886.52
  5. Step 5: Solve for x
    x = 17,296,826,886.52/168,279.44
  6. Step 6: Final answer
    x = 102,786.34

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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.