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Finding the Fourth Proportional to 227,059.36, 340,589.04 and 69,288.64

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Solution

The fourth proportional to 227,059.36, 340,589.04 and 69,288.64 is: 103,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,059.36 : 340,589.04 = 69,288.64 : x
  2. Step 2: Convert to fraction form
    227,059.36/340,589.04 = 69,288.64/x
  3. Step 3: Cross multiply
    227,059.36x = 340,589.04 × 69,288.64
  4. Step 4: Simplify right side
    227,059.36x = 23,598,951,380.51
  5. Step 5: Solve for x
    x = 23,598,951,380.51/227,059.36
  6. Step 6: Final answer
    x = 103,932.96

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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.