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Finding the Fourth Proportional to 129,453.69, 194,191.08 and 35,959.44

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Solution

The fourth proportional to 129,453.69, 194,191.08 and 35,959.44 is: 53,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,453.69 : 194,191.08 = 35,959.44 : x
  2. Step 2: Convert to fraction form
    129,453.69/194,191.08 = 35,959.44/x
  3. Step 3: Cross multiply
    129,453.69x = 194,191.08 × 35,959.44
  4. Step 4: Simplify right side
    129,453.69x = 6,983,002,489.80
  5. Step 5: Solve for x
    x = 6,983,002,489.80/129,453.69
  6. Step 6: Final answer
    x = 53,942.09

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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.