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Finding the Fourth Proportional to 269,379.75, 404,071.65 and 119,579.77

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Solution

The fourth proportional to 269,379.75, 404,071.65 and 119,579.77 is: 179,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,379.75 : 404,071.65 = 119,579.77 : x
  2. Step 2: Convert to fraction form
    269,379.75/404,071.65 = 119,579.77/x
  3. Step 3: Cross multiply
    269,379.75x = 404,071.65 × 119,579.77
  4. Step 4: Simplify right side
    269,379.75x = 48,318,793,960.34
  5. Step 5: Solve for x
    x = 48,318,793,960.34/269,379.75
  6. Step 6: Final answer
    x = 179,370.55

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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.