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Finding the Fourth Proportional to 80,862.94, 111,589.53 and 44,069.67

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Solution

The fourth proportional to 80,862.94, 111,589.53 and 44,069.67 is: 60,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,862.94 : 111,589.53 = 44,069.67 : x
  2. Step 2: Convert to fraction form
    80,862.94/111,589.53 = 44,069.67/x
  3. Step 3: Cross multiply
    80,862.94x = 111,589.53 × 44,069.67
  4. Step 4: Simplify right side
    80,862.94x = 4,917,713,204.61
  5. Step 5: Solve for x
    x = 4,917,713,204.61/80,862.94
  6. Step 6: Final answer
    x = 60,815.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.