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Finding the Fourth Proportional to 80,566.74, 120,891.06 and 36,184.44

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Solution

The fourth proportional to 80,566.74, 120,891.06 and 36,184.44 is: 54,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566.74 : 120,891.06 = 36,184.44 : x
  2. Step 2: Convert to fraction form
    80,566.74/120,891.06 = 36,184.44/x
  3. Step 3: Cross multiply
    80,566.74x = 120,891.06 × 36,184.44
  4. Step 4: Simplify right side
    80,566.74x = 4,374,375,307.11
  5. Step 5: Solve for x
    x = 4,374,375,307.11/80,566.74
  6. Step 6: Final answer
    x = 54,295.05

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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.