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Finding the Fourth Proportional to 227,082.75, 340,617.63 and 69,288.27

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Solution

The fourth proportional to 227,082.75, 340,617.63 and 69,288.27 is: 103,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,082.75 : 340,617.63 = 69,288.27 : x
  2. Step 2: Convert to fraction form
    227,082.75/340,617.63 = 69,288.27/x
  3. Step 3: Cross multiply
    227,082.75x = 340,617.63 × 69,288.27
  4. Step 4: Simplify right side
    227,082.75x = 23,600,806,314.20
  5. Step 5: Solve for x
    x = 23,600,806,314.20/227,082.75
  6. Step 6: Final answer
    x = 103,930.42

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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.