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Finding the Fourth Proportional to 227,013.70, 340,520.55 and 107,042.73

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Solution

The fourth proportional to 227,013.70, 340,520.55 and 107,042.73 is: 160,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,013.70 : 340,520.55 = 107,042.73 : x
  2. Step 2: Convert to fraction form
    227,013.70/340,520.55 = 107,042.73/x
  3. Step 3: Cross multiply
    227,013.70x = 340,520.55 × 107,042.73
  4. Step 4: Simplify right side
    227,013.70x = 36,450,248,757.89
  5. Step 5: Solve for x
    x = 36,450,248,757.89/227,013.70
  6. Step 6: Final answer
    x = 160,564.10

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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.