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Finding the Fourth Proportional to 80,322.57, 110,849.57 and 44,511.80

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Solution

The fourth proportional to 80,322.57, 110,849.57 and 44,511.80 is: 61,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.57 : 110,849.57 = 44,511.80 : x
  2. Step 2: Convert to fraction form
    80,322.57/110,849.57 = 44,511.80/x
  3. Step 3: Cross multiply
    80,322.57x = 110,849.57 × 44,511.80
  4. Step 4: Simplify right side
    80,322.57x = 4,934,113,113.12
  5. Step 5: Solve for x
    x = 4,934,113,113.12/80,322.57
  6. Step 6: Final answer
    x = 61,428.73

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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.