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Finding the Fourth Proportional to 80,157.62, 120,252.83 and 27,560.27

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Solution

The fourth proportional to 80,157.62, 120,252.83 and 27,560.27 is: 41,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,157.62 : 120,252.83 = 27,560.27 : x
  2. Step 2: Convert to fraction form
    80,157.62/120,252.83 = 27,560.27/x
  3. Step 3: Cross multiply
    80,157.62x = 120,252.83 × 27,560.27
  4. Step 4: Simplify right side
    80,157.62x = 3,314,199,724.00
  5. Step 5: Solve for x
    x = 3,314,199,724.00/80,157.62
  6. Step 6: Final answer
    x = 41,346.04

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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.