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Finding the Fourth Proportional to 80,434.56, 111,000.60 and 44,625.60

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Solution

The fourth proportional to 80,434.56, 111,000.60 and 44,625.60 is: 61,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.56 : 111,000.60 = 44,625.60 : x
  2. Step 2: Convert to fraction form
    80,434.56/111,000.60 = 44,625.60/x
  3. Step 3: Cross multiply
    80,434.56x = 111,000.60 × 44,625.60
  4. Step 4: Simplify right side
    80,434.56x = 4,953,468,375.36
  5. Step 5: Solve for x
    x = 4,953,468,375.36/80,434.56
  6. Step 6: Final answer
    x = 61,583.83

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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.