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Finding the Fourth Proportional to 107,469.38, 161,204.07 and 40,893.86

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Solution

The fourth proportional to 107,469.38, 161,204.07 and 40,893.86 is: 61,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.38 : 161,204.07 = 40,893.86 : x
  2. Step 2: Convert to fraction form
    107,469.38/161,204.07 = 40,893.86/x
  3. Step 3: Cross multiply
    107,469.38x = 161,204.07 × 40,893.86
  4. Step 4: Simplify right side
    107,469.38x = 6,592,256,670.01
  5. Step 5: Solve for x
    x = 6,592,256,670.01/107,469.38
  6. Step 6: Final answer
    x = 61,340.79

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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.