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Finding the Fourth Proportional to 363,139.52, 501,132.52 and 204,163.52

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Solution

The fourth proportional to 363,139.52, 501,132.52 and 204,163.52 is: 281,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,139.52 : 501,132.52 = 204,163.52 : x
  2. Step 2: Convert to fraction form
    363,139.52/501,132.52 = 204,163.52/x
  3. Step 3: Cross multiply
    363,139.52x = 501,132.52 × 204,163.52
  4. Step 4: Simplify right side
    363,139.52x = 102,312,979,269.67
  5. Step 5: Solve for x
    x = 102,312,979,269.67/363,139.52
  6. Step 6: Final answer
    x = 281,745.65

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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.