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Finding the Fourth Proportional to 192,692.52, 288,936.72 and 67,946.04

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Solution

The fourth proportional to 192,692.52, 288,936.72 and 67,946.04 is: 101,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,692.52 : 288,936.72 = 67,946.04 : x
  2. Step 2: Convert to fraction form
    192,692.52/288,936.72 = 67,946.04/x
  3. Step 3: Cross multiply
    192,692.52x = 288,936.72 × 67,946.04
  4. Step 4: Simplify right side
    192,692.52x = 19,632,105,934.59
  5. Step 5: Solve for x
    x = 19,632,105,934.59/192,692.52
  6. Step 6: Final answer
    x = 101,883.07

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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.