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Finding the Fourth Proportional to 227,309.91, 340,952.48 and 69,538.37

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Solution

The fourth proportional to 227,309.91, 340,952.48 and 69,538.37 is: 104,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,309.91 : 340,952.48 = 69,538.37 : x
  2. Step 2: Convert to fraction form
    227,309.91/340,952.48 = 69,538.37/x
  3. Step 3: Cross multiply
    227,309.91x = 340,952.48 × 69,538.37
  4. Step 4: Simplify right side
    227,309.91x = 23,709,277,654.20
  5. Step 5: Solve for x
    x = 23,709,277,654.20/227,309.91
  6. Step 6: Final answer
    x = 104,303.76

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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.