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Finding the Fourth Proportional to 168,625.99, 253,040.24 and 67,405.96

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Solution

The fourth proportional to 168,625.99, 253,040.24 and 67,405.96 is: 101,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,625.99 : 253,040.24 = 67,405.96 : x
  2. Step 2: Convert to fraction form
    168,625.99/253,040.24 = 67,405.96/x
  3. Step 3: Cross multiply
    168,625.99x = 253,040.24 × 67,405.96
  4. Step 4: Simplify right side
    168,625.99x = 17,056,420,295.83
  5. Step 5: Solve for x
    x = 17,056,420,295.83/168,625.99
  6. Step 6: Final answer
    x = 101,149.42

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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.