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Finding the Fourth Proportional to 80,369.87, 110,909.88 and 44,559.89

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Solution

The fourth proportional to 80,369.87, 110,909.88 and 44,559.89 is: 61,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.87 : 110,909.88 = 44,559.89 : x
  2. Step 2: Convert to fraction form
    80,369.87/110,909.88 = 44,559.89/x
  3. Step 3: Cross multiply
    80,369.87x = 110,909.88 × 44,559.89
  4. Step 4: Simplify right side
    80,369.87x = 4,942,131,498.16
  5. Step 5: Solve for x
    x = 4,942,131,498.16/80,369.87
  6. Step 6: Final answer
    x = 61,492.35

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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.