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Finding the Fourth Proportional to 172,592.98, 258,883.29 and 60,272.75

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Solution

The fourth proportional to 172,592.98, 258,883.29 and 60,272.75 is: 90,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,592.98 : 258,883.29 = 60,272.75 : x
  2. Step 2: Convert to fraction form
    172,592.98/258,883.29 = 60,272.75/x
  3. Step 3: Cross multiply
    172,592.98x = 258,883.29 × 60,272.75
  4. Step 4: Simplify right side
    172,592.98x = 15,603,608,464.56
  5. Step 5: Solve for x
    x = 15,603,608,464.56/172,592.98
  6. Step 6: Final answer
    x = 90,406.97

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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.