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Finding the Fourth Proportional to 80,451.63, 120,677.31 and 25,047.63

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Solution

The fourth proportional to 80,451.63, 120,677.31 and 25,047.63 is: 37,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.63 : 120,677.31 = 25,047.63 : x
  2. Step 2: Convert to fraction form
    80,451.63/120,677.31 = 25,047.63/x
  3. Step 3: Cross multiply
    80,451.63x = 120,677.31 × 25,047.63
  4. Step 4: Simplify right side
    80,451.63x = 3,022,680,610.28
  5. Step 5: Solve for x
    x = 3,022,680,610.28/80,451.63
  6. Step 6: Final answer
    x = 37,571.40

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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.