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Finding the Fourth Proportional to 361,469.67, 542,353.38 and 158,961.67

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Solution

The fourth proportional to 361,469.67, 542,353.38 and 158,961.67 is: 238,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,469.67 : 542,353.38 = 158,961.67 : x
  2. Step 2: Convert to fraction form
    361,469.67/542,353.38 = 158,961.67/x
  3. Step 3: Cross multiply
    361,469.67x = 542,353.38 × 158,961.67
  4. Step 4: Simplify right side
    361,469.67x = 86,213,395,508.37
  5. Step 5: Solve for x
    x = 86,213,395,508.37/361,469.67
  6. Step 6: Final answer
    x = 238,507.97

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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.