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Finding the Fourth Proportional to 80,067.66, 119,926.53 and 40,556.94

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Solution

The fourth proportional to 80,067.66, 119,926.53 and 40,556.94 is: 60,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,067.66 : 119,926.53 = 40,556.94 : x
  2. Step 2: Convert to fraction form
    80,067.66/119,926.53 = 40,556.94/x
  3. Step 3: Cross multiply
    80,067.66x = 119,926.53 × 40,556.94
  4. Step 4: Simplify right side
    80,067.66x = 4,863,853,081.62
  5. Step 5: Solve for x
    x = 4,863,853,081.62/80,067.66
  6. Step 6: Final answer
    x = 60,746.79

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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.