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Finding the Fourth Proportional to 269,385.75, 404,080.65 and 119,585.77

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Solution

The fourth proportional to 269,385.75, 404,080.65 and 119,585.77 is: 179,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,385.75 : 404,080.65 = 119,585.77 : x
  2. Step 2: Convert to fraction form
    269,385.75/404,080.65 = 119,585.77/x
  3. Step 3: Cross multiply
    269,385.75x = 404,080.65 × 119,585.77
  4. Step 4: Simplify right side
    269,385.75x = 48,322,294,662.15
  5. Step 5: Solve for x
    x = 48,322,294,662.15/269,385.75
  6. Step 6: Final answer
    x = 179,379.55

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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.