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Finding the Fourth Proportional to 200,793.52, 277,074.52 and 120,218.95

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Solution

The fourth proportional to 200,793.52, 277,074.52 and 120,218.95 is: 165,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,793.52 : 277,074.52 = 120,218.95 : x
  2. Step 2: Convert to fraction form
    200,793.52/277,074.52 = 120,218.95/x
  3. Step 3: Cross multiply
    200,793.52x = 277,074.52 × 120,218.95
  4. Step 4: Simplify right side
    200,793.52x = 33,309,607,866.15
  5. Step 5: Solve for x
    x = 33,309,607,866.15/200,793.52
  6. Step 6: Final answer
    x = 165,889.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.