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Finding the Fourth Proportional to 80,230.80, 120,216.60 and 50,595.60

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Solution

The fourth proportional to 80,230.80, 120,216.60 and 50,595.60 is: 75,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,230.80 : 120,216.60 = 50,595.60 : x
  2. Step 2: Convert to fraction form
    80,230.80/120,216.60 = 50,595.60/x
  3. Step 3: Cross multiply
    80,230.80x = 120,216.60 × 50,595.60
  4. Step 4: Simplify right side
    80,230.80x = 6,082,431,006.96
  5. Step 5: Solve for x
    x = 6,082,431,006.96/80,230.80
  6. Step 6: Final answer
    x = 75,811.67

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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.