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Finding the Fourth Proportional to 269,603.94, 404,453.46 and 92,069.34

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Solution

The fourth proportional to 269,603.94, 404,453.46 and 92,069.34 is: 138,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,603.94 : 404,453.46 = 92,069.34 : x
  2. Step 2: Convert to fraction form
    269,603.94/404,453.46 = 92,069.34/x
  3. Step 3: Cross multiply
    269,603.94x = 404,453.46 × 92,069.34
  4. Step 4: Simplify right side
    269,603.94x = 37,237,763,122.92
  5. Step 5: Solve for x
    x = 37,237,763,122.92/269,603.94
  6. Step 6: Final answer
    x = 138,120.25

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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.