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Finding the Fourth Proportional to 269,310.35, 404,024.69 and 79,785.61

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Solution

The fourth proportional to 269,310.35, 404,024.69 and 79,785.61 is: 119,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,310.35 : 404,024.69 = 79,785.61 : x
  2. Step 2: Convert to fraction form
    269,310.35/404,024.69 = 79,785.61/x
  3. Step 3: Cross multiply
    269,310.35x = 404,024.69 × 79,785.61
  4. Step 4: Simplify right side
    269,310.35x = 32,235,355,536.11
  5. Step 5: Solve for x
    x = 32,235,355,536.11/269,310.35
  6. Step 6: Final answer
    x = 119,695.94

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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.