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Finding the Fourth Proportional to 274,843.88, 412,168.58 and 130,732.76

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Solution

The fourth proportional to 274,843.88, 412,168.58 and 130,732.76 is: 196,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,843.88 : 412,168.58 = 130,732.76 : x
  2. Step 2: Convert to fraction form
    274,843.88/412,168.58 = 130,732.76/x
  3. Step 3: Cross multiply
    274,843.88x = 412,168.58 × 130,732.76
  4. Step 4: Simplify right side
    274,843.88x = 53,883,936,048.68
  5. Step 5: Solve for x
    x = 53,883,936,048.68/274,843.88
  6. Step 6: Final answer
    x = 196,052.89

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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.