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Finding the Fourth Proportional to 73,252.28, 109,764.75 and 50,806.78

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Solution

The fourth proportional to 73,252.28, 109,764.75 and 50,806.78 is: 76,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.28 : 109,764.75 = 50,806.78 : x
  2. Step 2: Convert to fraction form
    73,252.28/109,764.75 = 50,806.78/x
  3. Step 3: Cross multiply
    73,252.28x = 109,764.75 × 50,806.78
  4. Step 4: Simplify right side
    73,252.28x = 5,576,793,505.01
  5. Step 5: Solve for x
    x = 5,576,793,505.01/73,252.28
  6. Step 6: Final answer
    x = 76,131.33

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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.