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Finding the Fourth Proportional to 269,524.80, 404,546.40 and 136,555.20

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Solution

The fourth proportional to 269,524.80, 404,546.40 and 136,555.20 is: 204,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,524.80 : 404,546.40 = 136,555.20 : x
  2. Step 2: Convert to fraction form
    269,524.80/404,546.40 = 136,555.20/x
  3. Step 3: Cross multiply
    269,524.80x = 404,546.40 × 136,555.20
  4. Step 4: Simplify right side
    269,524.80x = 55,242,914,561.28
  5. Step 5: Solve for x
    x = 55,242,914,561.28/269,524.80
  6. Step 6: Final answer
    x = 204,964.12

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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.