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Finding the Fourth Proportional to 107,986.77, 161,910.72 and 44,850.42

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Solution

The fourth proportional to 107,986.77, 161,910.72 and 44,850.42 is: 67,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986.77 : 161,910.72 = 44,850.42 : x
  2. Step 2: Convert to fraction form
    107,986.77/161,910.72 = 44,850.42/x
  3. Step 3: Cross multiply
    107,986.77x = 161,910.72 × 44,850.42
  4. Step 4: Simplify right side
    107,986.77x = 7,261,763,794.50
  5. Step 5: Solve for x
    x = 7,261,763,794.50/107,986.77
  6. Step 6: Final answer
    x = 67,246.79

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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.