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Finding the Fourth Proportional to 234,830.44, 352,383.90 and 87,190.12

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Solution

The fourth proportional to 234,830.44, 352,383.90 and 87,190.12 is: 130,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,830.44 : 352,383.90 = 87,190.12 : x
  2. Step 2: Convert to fraction form
    234,830.44/352,383.90 = 87,190.12/x
  3. Step 3: Cross multiply
    234,830.44x = 352,383.90 × 87,190.12
  4. Step 4: Simplify right side
    234,830.44x = 30,724,394,527.07
  5. Step 5: Solve for x
    x = 30,724,394,527.07/234,830.44
  6. Step 6: Final answer
    x = 130,836.51

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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.