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Finding the Fourth Proportional to 80,391.10, 110,940.02 and 44,584.42

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Solution

The fourth proportional to 80,391.10, 110,940.02 and 44,584.42 is: 61,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,391.10 : 110,940.02 = 44,584.42 : x
  2. Step 2: Convert to fraction form
    80,391.10/110,940.02 = 44,584.42/x
  3. Step 3: Cross multiply
    80,391.10x = 110,940.02 × 44,584.42
  4. Step 4: Simplify right side
    80,391.10x = 4,946,196,446.49
  5. Step 5: Solve for x
    x = 4,946,196,446.49/80,391.10
  6. Step 6: Final answer
    x = 61,526.67

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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.