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Finding the Fourth Proportional to 269,690.96, 404,471.16 and 82,704.08

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Solution

The fourth proportional to 269,690.96, 404,471.16 and 82,704.08 is: 124,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.96 : 404,471.16 = 82,704.08 : x
  2. Step 2: Convert to fraction form
    269,690.96/404,471.16 = 82,704.08/x
  3. Step 3: Cross multiply
    269,690.96x = 404,471.16 × 82,704.08
  4. Step 4: Simplify right side
    269,690.96x = 33,451,415,174.33
  5. Step 5: Solve for x
    x = 33,451,415,174.33/269,690.96
  6. Step 6: Final answer
    x = 124,036.10

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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.