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Finding the Fourth Proportional to 204,893.01, 307,339.50 and 64,662.57

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Solution

The fourth proportional to 204,893.01, 307,339.50 and 64,662.57 is: 96,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,893.01 : 307,339.50 = 64,662.57 : x
  2. Step 2: Convert to fraction form
    204,893.01/307,339.50 = 64,662.57/x
  3. Step 3: Cross multiply
    204,893.01x = 307,339.50 × 64,662.57
  4. Step 4: Simplify right side
    204,893.01x = 19,873,361,932.52
  5. Step 5: Solve for x
    x = 19,873,361,932.52/204,893.01
  6. Step 6: Final answer
    x = 96,993.85

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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.