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Finding the Fourth Proportional to 234,334.67, 323,380.13 and 126,902.21

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Solution

The fourth proportional to 234,334.67, 323,380.13 and 126,902.21 is: 175,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,334.67 : 323,380.13 = 126,902.21 : x
  2. Step 2: Convert to fraction form
    234,334.67/323,380.13 = 126,902.21/x
  3. Step 3: Cross multiply
    234,334.67x = 323,380.13 × 126,902.21
  4. Step 4: Simplify right side
    234,334.67x = 41,037,650,915.68
  5. Step 5: Solve for x
    x = 41,037,650,915.68/234,334.67
  6. Step 6: Final answer
    x = 175,124.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.