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Finding the Fourth Proportional to 227,203.46, 340,806 and 69,431.26

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Solution

The fourth proportional to 227,203.46, 340,806 and 69,431.26 is: 104,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,203.46 : 340,806 = 69,431.26 : x
  2. Step 2: Convert to fraction form
    227,203.46/340,806 = 69,431.26/x
  3. Step 3: Cross multiply
    227,203.46x = 340,806 × 69,431.26
  4. Step 4: Simplify right side
    227,203.46x = 23,662,589,995.56
  5. Step 5: Solve for x
    x = 23,662,589,995.56/227,203.46
  6. Step 6: Final answer
    x = 104,147.14

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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.