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Finding the Fourth Proportional to 234,240.11, 351,353.79 and 65,761.84

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Solution

The fourth proportional to 234,240.11, 351,353.79 and 65,761.84 is: 98,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,240.11 : 351,353.79 = 65,761.84 : x
  2. Step 2: Convert to fraction form
    234,240.11/351,353.79 = 65,761.84/x
  3. Step 3: Cross multiply
    234,240.11x = 351,353.79 × 65,761.84
  4. Step 4: Simplify right side
    234,240.11x = 23,105,669,635.80
  5. Step 5: Solve for x
    x = 23,105,669,635.80/234,240.11
  6. Step 6: Final answer
    x = 98,640.96

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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.