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Finding the Fourth Proportional to 172,944.52, 259,424.57 and 52,992.83

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Solution

The fourth proportional to 172,944.52, 259,424.57 and 52,992.83 is: 79,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,944.52 : 259,424.57 = 52,992.83 : x
  2. Step 2: Convert to fraction form
    172,944.52/259,424.57 = 52,992.83/x
  3. Step 3: Cross multiply
    172,944.52x = 259,424.57 × 52,992.83
  4. Step 4: Simplify right side
    172,944.52x = 13,747,642,916.88
  5. Step 5: Solve for x
    x = 13,747,642,916.88/172,944.52
  6. Step 6: Final answer
    x = 79,491.64

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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.