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Finding the Fourth Proportional to 68,777.87, 103,033.96 and 50,734.31

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Solution

The fourth proportional to 68,777.87, 103,033.96 and 50,734.31 is: 76,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.87 : 103,033.96 = 50,734.31 : x
  2. Step 2: Convert to fraction form
    68,777.87/103,033.96 = 50,734.31/x
  3. Step 3: Cross multiply
    68,777.87x = 103,033.96 × 50,734.31
  4. Step 4: Simplify right side
    68,777.87x = 5,227,356,225.16
  5. Step 5: Solve for x
    x = 5,227,356,225.16/68,777.87
  6. Step 6: Final answer
    x = 76,003.47

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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.