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Finding the Fourth Proportional to 80,067.76, 120,060.81 and 26,740.54

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Solution

The fourth proportional to 80,067.76, 120,060.81 and 26,740.54 is: 40,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,067.76 : 120,060.81 = 26,740.54 : x
  2. Step 2: Convert to fraction form
    80,067.76/120,060.81 = 26,740.54/x
  3. Step 3: Cross multiply
    80,067.76x = 120,060.81 × 26,740.54
  4. Step 4: Simplify right side
    80,067.76x = 3,210,490,291.93
  5. Step 5: Solve for x
    x = 3,210,490,291.93/80,067.76
  6. Step 6: Final answer
    x = 40,097.17

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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.