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Finding the Fourth Proportional to 129,843.99, 194,648.40 and 50,937.03

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Solution

The fourth proportional to 129,843.99, 194,648.40 and 50,937.03 is: 76,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,843.99 : 194,648.40 = 50,937.03 : x
  2. Step 2: Convert to fraction form
    129,843.99/194,648.40 = 50,937.03/x
  3. Step 3: Cross multiply
    129,843.99x = 194,648.40 × 50,937.03
  4. Step 4: Simplify right side
    129,843.99x = 9,914,811,390.25
  5. Step 5: Solve for x
    x = 9,914,811,390.25/129,843.99
  6. Step 6: Final answer
    x = 76,359.42

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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.