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Finding the Fourth Proportional to 103,879.96, 155,707.62 and 41,481.88

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Solution

The fourth proportional to 103,879.96, 155,707.62 and 41,481.88 is: 62,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,879.96 : 155,707.62 = 41,481.88 : x
  2. Step 2: Convert to fraction form
    103,879.96/155,707.62 = 41,481.88/x
  3. Step 3: Cross multiply
    103,879.96x = 155,707.62 × 41,481.88
  4. Step 4: Simplify right side
    103,879.96x = 6,459,044,807.93
  5. Step 5: Solve for x
    x = 6,459,044,807.93/103,879.96
  6. Step 6: Final answer
    x = 62,177.97

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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.