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Finding the Fourth Proportional to 234,334.31, 351,561.41 and 68,122.31

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Solution

The fourth proportional to 234,334.31, 351,561.41 and 68,122.31 is: 102,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,334.31 : 351,561.41 = 68,122.31 : x
  2. Step 2: Convert to fraction form
    234,334.31/351,561.41 = 68,122.31/x
  3. Step 3: Cross multiply
    234,334.31x = 351,561.41 × 68,122.31
  4. Step 4: Simplify right side
    234,334.31x = 23,949,176,149.81
  5. Step 5: Solve for x
    x = 23,949,176,149.81/234,334.31
  6. Step 6: Final answer
    x = 102,200.89

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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.