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Finding the Fourth Proportional to 204,809.83, 307,249.92 and 62,651.66

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Solution

The fourth proportional to 204,809.83, 307,249.92 and 62,651.66 is: 93,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,809.83 : 307,249.92 = 62,651.66 : x
  2. Step 2: Convert to fraction form
    204,809.83/307,249.92 = 62,651.66/x
  3. Step 3: Cross multiply
    204,809.83x = 307,249.92 × 62,651.66
  4. Step 4: Simplify right side
    204,809.83x = 19,249,715,986.62
  5. Step 5: Solve for x
    x = 19,249,715,986.62/204,809.83
  6. Step 6: Final answer
    x = 93,988.24

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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.