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Finding the Fourth Proportional to 80,463.94, 120,666.74 and 36,067.84

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Solution

The fourth proportional to 80,463.94, 120,666.74 and 36,067.84 is: 54,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,463.94 : 120,666.74 = 36,067.84 : x
  2. Step 2: Convert to fraction form
    80,463.94/120,666.74 = 36,067.84/x
  3. Step 3: Cross multiply
    80,463.94x = 120,666.74 × 36,067.84
  4. Step 4: Simplify right side
    80,463.94x = 4,352,188,189.64
  5. Step 5: Solve for x
    x = 4,352,188,189.64/80,463.94
  6. Step 6: Final answer
    x = 54,088.68

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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.