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Finding the Fourth Proportional to 234,928.91, 352,348.38 and 66,408.60

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Solution

The fourth proportional to 234,928.91, 352,348.38 and 66,408.60 is: 99,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,928.91 : 352,348.38 = 66,408.60 : x
  2. Step 2: Convert to fraction form
    234,928.91/352,348.38 = 66,408.60/x
  3. Step 3: Cross multiply
    234,928.91x = 352,348.38 × 66,408.60
  4. Step 4: Simplify right side
    234,928.91x = 23,398,961,576.98
  5. Step 5: Solve for x
    x = 23,398,961,576.98/234,928.91
  6. Step 6: Final answer
    x = 99,600.18

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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.