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Finding the Fourth Proportional to 73,245.77, 109,755 and 50,800.26

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Solution

The fourth proportional to 73,245.77, 109,755 and 50,800.26 is: 76,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.77 : 109,755 = 50,800.26 : x
  2. Step 2: Convert to fraction form
    73,245.77/109,755 = 50,800.26/x
  3. Step 3: Cross multiply
    73,245.77x = 109,755 × 50,800.26
  4. Step 4: Simplify right side
    73,245.77x = 5,575,582,947.88
  5. Step 5: Solve for x
    x = 5,575,582,947.88/73,245.77
  6. Step 6: Final answer
    x = 76,121.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.