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Finding the Fourth Proportional to 172,371.93, 258,493.91 and 60,023.31

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Solution

The fourth proportional to 172,371.93, 258,493.91 and 60,023.31 is: 90,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.93 : 258,493.91 = 60,023.31 : x
  2. Step 2: Convert to fraction form
    172,371.93/258,493.91 = 60,023.31/x
  3. Step 3: Cross multiply
    172,371.93x = 258,493.91 × 60,023.31
  4. Step 4: Simplify right side
    172,371.93x = 15,515,659,792.93
  5. Step 5: Solve for x
    x = 15,515,659,792.93/172,371.93
  6. Step 6: Final answer
    x = 90,012.68

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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.