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Finding the Fourth Proportional to 80,670.08, 120,968.40 and 33,897.44

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Solution

The fourth proportional to 80,670.08, 120,968.40 and 33,897.44 is: 50,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.08 : 120,968.40 = 33,897.44 : x
  2. Step 2: Convert to fraction form
    80,670.08/120,968.40 = 33,897.44/x
  3. Step 3: Cross multiply
    80,670.08x = 120,968.40 × 33,897.44
  4. Step 4: Simplify right side
    80,670.08x = 4,100,519,080.90
  5. Step 5: Solve for x
    x = 4,100,519,080.90/80,670.08
  6. Step 6: Final answer
    x = 50,830.73

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1.5x scale

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.