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Finding the Fourth Proportional to 251,935.20, 377,902.80 and 227,440.80

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Solution

The fourth proportional to 251,935.20, 377,902.80 and 227,440.80 is: 341,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,935.20 : 377,902.80 = 227,440.80 : x
  2. Step 2: Convert to fraction form
    251,935.20/377,902.80 = 227,440.80/x
  3. Step 3: Cross multiply
    251,935.20x = 377,902.80 × 227,440.80
  4. Step 4: Simplify right side
    251,935.20x = 85,950,515,154.24
  5. Step 5: Solve for x
    x = 85,950,515,154.24/251,935.20
  6. Step 6: Final answer
    x = 341,161.20

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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.