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Finding the Fourth Proportional to 227,042.94, 340,563.45 and 69,270.86

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Solution

The fourth proportional to 227,042.94, 340,563.45 and 69,270.86 is: 103,906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,042.94 : 340,563.45 = 69,270.86 : x
  2. Step 2: Convert to fraction form
    227,042.94/340,563.45 = 69,270.86/x
  3. Step 3: Cross multiply
    227,042.94x = 340,563.45 × 69,270.86
  4. Step 4: Simplify right side
    227,042.94x = 23,591,123,066.07
  5. Step 5: Solve for x
    x = 23,591,123,066.07/227,042.94
  6. Step 6: Final answer
    x = 103,906.00

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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.