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Finding the Fourth Proportional to 80,379.37, 110,929.80 and 44,576.38

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Solution

The fourth proportional to 80,379.37, 110,929.80 and 44,576.38 is: 61,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.37 : 110,929.80 = 44,576.38 : x
  2. Step 2: Convert to fraction form
    80,379.37/110,929.80 = 44,576.38/x
  3. Step 3: Cross multiply
    80,379.37x = 110,929.80 × 44,576.38
  4. Step 4: Simplify right side
    80,379.37x = 4,944,848,918.12
  5. Step 5: Solve for x
    x = 4,944,848,918.12/80,379.37
  6. Step 6: Final answer
    x = 61,518.88

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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.