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Finding the Fourth Proportional to 129,692.86, 194,626.80 and 50,797.24

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Solution

The fourth proportional to 129,692.86, 194,626.80 and 50,797.24 is: 76,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,692.86 : 194,626.80 = 50,797.24 : x
  2. Step 2: Convert to fraction form
    129,692.86/194,626.80 = 50,797.24/x
  3. Step 3: Cross multiply
    129,692.86x = 194,626.80 × 50,797.24
  4. Step 4: Simplify right side
    129,692.86x = 9,886,504,270.03
  5. Step 5: Solve for x
    x = 9,886,504,270.03/129,692.86
  6. Step 6: Final answer
    x = 76,230.14

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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.