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Finding the Fourth Proportional to 204,749.27, 307,167.64 and 71,633.87

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Solution

The fourth proportional to 204,749.27, 307,167.64 and 71,633.87 is: 107,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,749.27 : 307,167.64 = 71,633.87 : x
  2. Step 2: Convert to fraction form
    204,749.27/307,167.64 = 71,633.87/x
  3. Step 3: Cross multiply
    204,749.27x = 307,167.64 × 71,633.87
  4. Step 4: Simplify right side
    204,749.27x = 22,003,606,791.97
  5. Step 5: Solve for x
    x = 22,003,606,791.97/204,749.27
  6. Step 6: Final answer
    x = 107,466.11

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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.