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Finding the Fourth Proportional to 80,322.82, 110,845.78 and 44,513.44

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Solution

The fourth proportional to 80,322.82, 110,845.78 and 44,513.44 is: 61,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.82 : 110,845.78 = 44,513.44 : x
  2. Step 2: Convert to fraction form
    80,322.82/110,845.78 = 44,513.44/x
  3. Step 3: Cross multiply
    80,322.82x = 110,845.78 × 44,513.44
  4. Step 4: Simplify right side
    80,322.82x = 4,934,126,977.28
  5. Step 5: Solve for x
    x = 4,934,126,977.28/80,322.82
  6. Step 6: Final answer
    x = 61,428.71

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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.