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Finding the Fourth Proportional to 129,793.04, 194,690.04 and 36,299.60

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Solution

The fourth proportional to 129,793.04, 194,690.04 and 36,299.60 is: 54,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,793.04 : 194,690.04 = 36,299.60 : x
  2. Step 2: Convert to fraction form
    129,793.04/194,690.04 = 36,299.60/x
  3. Step 3: Cross multiply
    129,793.04x = 194,690.04 × 36,299.60
  4. Step 4: Simplify right side
    129,793.04x = 7,067,170,575.98
  5. Step 5: Solve for x
    x = 7,067,170,575.98/129,793.04
  6. Step 6: Final answer
    x = 54,449.53

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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.