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Finding the Fourth Proportional to 234,224.50, 351,346.47 and 68,012.50

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Solution

The fourth proportional to 234,224.50, 351,346.47 and 68,012.50 is: 102,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,224.50 : 351,346.47 = 68,012.50 : x
  2. Step 2: Convert to fraction form
    234,224.50/351,346.47 = 68,012.50/x
  3. Step 3: Cross multiply
    234,224.50x = 351,346.47 × 68,012.50
  4. Step 4: Simplify right side
    234,224.50x = 23,895,951,790.88
  5. Step 5: Solve for x
    x = 23,895,951,790.88/234,224.50
  6. Step 6: Final answer
    x = 102,021.57

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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.