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Finding the Fourth Proportional to 67,230.01, 100,879.04 and 27,815.41

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Solution

The fourth proportional to 67,230.01, 100,879.04 and 27,815.41 is: 41,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.01 : 100,879.04 = 27,815.41 : x
  2. Step 2: Convert to fraction form
    67,230.01/100,879.04 = 27,815.41/x
  3. Step 3: Cross multiply
    67,230.01x = 100,879.04 × 27,815.41
  4. Step 4: Simplify right side
    67,230.01x = 2,805,991,858.01
  5. Step 5: Solve for x
    x = 2,805,991,858.01/67,230.01
  6. Step 6: Final answer
    x = 41,737.19

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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.