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Finding the Fourth Proportional to 167,879.57, 251,923.03 and 68,040.59

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Solution

The fourth proportional to 167,879.57, 251,923.03 and 68,040.59 is: 102,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,879.57 : 251,923.03 = 68,040.59 : x
  2. Step 2: Convert to fraction form
    167,879.57/251,923.03 = 68,040.59/x
  3. Step 3: Cross multiply
    167,879.57x = 251,923.03 × 68,040.59
  4. Step 4: Simplify right side
    167,879.57x = 17,140,990,166.07
  5. Step 5: Solve for x
    x = 17,140,990,166.07/167,879.57
  6. Step 6: Final answer
    x = 102,102.90

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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.