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Finding the Fourth Proportional to 172,372.44, 258,494.66 and 60,023.82

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Solution

The fourth proportional to 172,372.44, 258,494.66 and 60,023.82 is: 90,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,372.44 : 258,494.66 = 60,023.82 : x
  2. Step 2: Convert to fraction form
    172,372.44/258,494.66 = 60,023.82/x
  3. Step 3: Cross multiply
    172,372.44x = 258,494.66 × 60,023.82
  4. Step 4: Simplify right side
    172,372.44x = 15,515,836,942.80
  5. Step 5: Solve for x
    x = 15,515,836,942.80/172,372.44
  6. Step 6: Final answer
    x = 90,013.44

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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.