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Finding the Fourth Proportional to 161,321.92, 241,982.06 and 41,378.36

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Solution

The fourth proportional to 161,321.92, 241,982.06 and 41,378.36 is: 62,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,321.92 : 241,982.06 = 41,378.36 : x
  2. Step 2: Convert to fraction form
    161,321.92/241,982.06 = 41,378.36/x
  3. Step 3: Cross multiply
    161,321.92x = 241,982.06 × 41,378.36
  4. Step 4: Simplify right side
    161,321.92x = 10,012,820,792.22
  5. Step 5: Solve for x
    x = 10,012,820,792.22/161,321.92
  6. Step 6: Final answer
    x = 62,067.33

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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.