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Finding the Fourth Proportional to 227,076.66, 311,096.52 and 218,563.83

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Solution

The fourth proportional to 227,076.66, 311,096.52 and 218,563.83 is: 299,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,076.66 : 311,096.52 = 218,563.83 : x
  2. Step 2: Convert to fraction form
    227,076.66/311,096.52 = 218,563.83/x
  3. Step 3: Cross multiply
    227,076.66x = 311,096.52 × 218,563.83
  4. Step 4: Simplify right side
    227,076.66x = 67,994,446,910.87
  5. Step 5: Solve for x
    x = 67,994,446,910.87/227,076.66
  6. Step 6: Final answer
    x = 299,433.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.