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Finding the Fourth Proportional to 269,564.43, 404,277.44 and 79,979.95

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Solution

The fourth proportional to 269,564.43, 404,277.44 and 79,979.95 is: 119,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,564.43 : 404,277.44 = 79,979.95 : x
  2. Step 2: Convert to fraction form
    269,564.43/404,277.44 = 79,979.95/x
  3. Step 3: Cross multiply
    269,564.43x = 404,277.44 × 79,979.95
  4. Step 4: Simplify right side
    269,564.43x = 32,334,087,415.94
  5. Step 5: Solve for x
    x = 32,334,087,415.94/269,564.43
  6. Step 6: Final answer
    x = 119,949.38

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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.