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Finding the Fourth Proportional to 80,676.16, 111,333.60 and 44,869.60

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Solution

The fourth proportional to 80,676.16, 111,333.60 and 44,869.60 is: 61,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,676.16 : 111,333.60 = 44,869.60 : x
  2. Step 2: Convert to fraction form
    80,676.16/111,333.60 = 44,869.60/x
  3. Step 3: Cross multiply
    80,676.16x = 111,333.60 × 44,869.60
  4. Step 4: Simplify right side
    80,676.16x = 4,995,494,098.56
  5. Step 5: Solve for x
    x = 4,995,494,098.56/80,676.16
  6. Step 6: Final answer
    x = 61,920.33

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