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Finding the Fourth Proportional to 204,910.83, 307,403.19 and 92,643.89

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Solution

The fourth proportional to 204,910.83, 307,403.19 and 92,643.89 is: 138,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,910.83 : 307,403.19 = 92,643.89 : x
  2. Step 2: Convert to fraction form
    204,910.83/307,403.19 = 92,643.89/x
  3. Step 3: Cross multiply
    204,910.83x = 307,403.19 × 92,643.89
  4. Step 4: Simplify right side
    204,910.83x = 28,479,025,782.99
  5. Step 5: Solve for x
    x = 28,479,025,782.99/204,910.83
  6. Step 6: Final answer
    x = 138,982.53

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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.