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Finding the Fourth Proportional to 269,959.66, 404,687.07 and 120,118.57

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Solution

The fourth proportional to 269,959.66, 404,687.07 and 120,118.57 is: 180,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,959.66 : 404,687.07 = 120,118.57 : x
  2. Step 2: Convert to fraction form
    269,959.66/404,687.07 = 120,118.57/x
  3. Step 3: Cross multiply
    269,959.66x = 404,687.07 × 120,118.57
  4. Step 4: Simplify right side
    269,959.66x = 48,610,431,134.17
  5. Step 5: Solve for x
    x = 48,610,431,134.17/269,959.66
  6. Step 6: Final answer
    x = 180,065.54

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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.