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Finding the Fourth Proportional to 226,242.76, 339,369 and 68,470.96

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Solution

The fourth proportional to 226,242.76, 339,369 and 68,470.96 is: 102,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,242.76 : 339,369 = 68,470.96 : x
  2. Step 2: Convert to fraction form
    226,242.76/339,369 = 68,470.96/x
  3. Step 3: Cross multiply
    226,242.76x = 339,369 × 68,470.96
  4. Step 4: Simplify right side
    226,242.76x = 23,236,921,224.24
  5. Step 5: Solve for x
    x = 23,236,921,224.24/226,242.76
  6. Step 6: Final answer
    x = 102,707.91

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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.