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Finding the Fourth Proportional to 71,806.50, 99,028.46 and 44,951.46

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Solution

The fourth proportional to 71,806.50, 99,028.46 and 44,951.46 is: 61,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,806.50 : 99,028.46 = 44,951.46 : x
  2. Step 2: Convert to fraction form
    71,806.50/99,028.46 = 44,951.46/x
  3. Step 3: Cross multiply
    71,806.50x = 99,028.46 × 44,951.46
  4. Step 4: Simplify right side
    71,806.50x = 4,451,473,858.55
  5. Step 5: Solve for x
    x = 4,451,473,858.55/71,806.50
  6. Step 6: Final answer
    x = 61,992.63

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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.