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Finding the Fourth Proportional to 269,690.54, 404,716.40 and 111,919.14

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Solution

The fourth proportional to 269,690.54, 404,716.40 and 111,919.14 is: 167,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.54 : 404,716.40 = 111,919.14 : x
  2. Step 2: Convert to fraction form
    269,690.54/404,716.40 = 111,919.14/x
  3. Step 3: Cross multiply
    269,690.54x = 404,716.40 × 111,919.14
  4. Step 4: Simplify right side
    269,690.54x = 45,295,510,872.30
  5. Step 5: Solve for x
    x = 45,295,510,872.30/269,690.54
  6. Step 6: Final answer
    x = 167,953.65

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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.