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Finding the Fourth Proportional to 80,468.62, 120,703.83 and 24,309.19

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Solution

The fourth proportional to 80,468.62, 120,703.83 and 24,309.19 is: 36,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468.62 : 120,703.83 = 24,309.19 : x
  2. Step 2: Convert to fraction form
    80,468.62/120,703.83 = 24,309.19/x
  3. Step 3: Cross multiply
    80,468.62x = 120,703.83 × 24,309.19
  4. Step 4: Simplify right side
    80,468.62x = 2,934,211,733.68
  5. Step 5: Solve for x
    x = 2,934,211,733.68/80,468.62
  6. Step 6: Final answer
    x = 36,464.05

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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.