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Finding the Fourth Proportional to 80,080.35, 120,079.95 and 26,753.32

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Solution

The fourth proportional to 80,080.35, 120,079.95 and 26,753.32 is: 40,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,080.35 : 120,079.95 = 26,753.32 : x
  2. Step 2: Convert to fraction form
    80,080.35/120,079.95 = 26,753.32/x
  3. Step 3: Cross multiply
    80,080.35x = 120,079.95 × 26,753.32
  4. Step 4: Simplify right side
    80,080.35x = 3,212,537,327.93
  5. Step 5: Solve for x
    x = 3,212,537,327.93/80,080.35
  6. Step 6: Final answer
    x = 40,116.42

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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.