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Finding the Fourth Proportional to 80,078.94, 110,511 and 44,269.38

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Solution

The fourth proportional to 80,078.94, 110,511 and 44,269.38 is: 61,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,078.94 : 110,511 = 44,269.38 : x
  2. Step 2: Convert to fraction form
    80,078.94/110,511 = 44,269.38/x
  3. Step 3: Cross multiply
    80,078.94x = 110,511 × 44,269.38
  4. Step 4: Simplify right side
    80,078.94x = 4,892,253,453.18
  5. Step 5: Solve for x
    x = 4,892,253,453.18/80,078.94
  6. Step 6: Final answer
    x = 61,092.88

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1.5x scale

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.