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Finding the Fourth Proportional to 268,769.57, 370,893.89 and 147,910.68

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Solution

The fourth proportional to 268,769.57, 370,893.89 and 147,910.68 is: 204,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,769.57 : 370,893.89 = 147,910.68 : x
  2. Step 2: Convert to fraction form
    268,769.57/370,893.89 = 147,910.68/x
  3. Step 3: Cross multiply
    268,769.57x = 370,893.89 × 147,910.68
  4. Step 4: Simplify right side
    268,769.57x = 54,859,167,847.52
  5. Step 5: Solve for x
    x = 54,859,167,847.52/268,769.57
  6. Step 6: Final answer
    x = 204,112.28

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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.