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Finding the Fourth Proportional to 269,722.70, 404,729.85 and 119,986.10

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Solution

The fourth proportional to 269,722.70, 404,729.85 and 119,986.10 is: 180,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,722.70 : 404,729.85 = 119,986.10 : x
  2. Step 2: Convert to fraction form
    269,722.70/404,729.85 = 119,986.10/x
  3. Step 3: Cross multiply
    269,722.70x = 404,729.85 × 119,986.10
  4. Step 4: Simplify right side
    269,722.70x = 48,561,956,255.09
  5. Step 5: Solve for x
    x = 48,561,956,255.09/269,722.70
  6. Step 6: Final answer
    x = 180,044.01

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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.