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Finding the Fourth Proportional to 129,996.40, 194,843.40 and 59,882.80

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Solution

The fourth proportional to 129,996.40, 194,843.40 and 59,882.80 is: 89,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,996.40 : 194,843.40 = 59,882.80 : x
  2. Step 2: Convert to fraction form
    129,996.40/194,843.40 = 59,882.80/x
  3. Step 3: Cross multiply
    129,996.40x = 194,843.40 × 59,882.80
  4. Step 4: Simplify right side
    129,996.40x = 11,667,768,353.52
  5. Step 5: Solve for x
    x = 11,667,768,353.52/129,996.40
  6. Step 6: Final answer
    x = 89,754.55

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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.