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Finding the Fourth Proportional to 80,611.63, 120,917.72 and 24,452.22

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Solution

The fourth proportional to 80,611.63, 120,917.72 and 24,452.22 is: 36,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,611.63 : 120,917.72 = 24,452.22 : x
  2. Step 2: Convert to fraction form
    80,611.63/120,917.72 = 24,452.22/x
  3. Step 3: Cross multiply
    80,611.63x = 120,917.72 × 24,452.22
  4. Step 4: Simplify right side
    80,611.63x = 2,956,706,752.47
  5. Step 5: Solve for x
    x = 2,956,706,752.47/80,611.63
  6. Step 6: Final answer
    x = 36,678.42

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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.