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Finding the Fourth Proportional to 172,826.75, 259,201.17 and 62,018.75

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Solution

The fourth proportional to 172,826.75, 259,201.17 and 62,018.75 is: 93,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.75 : 259,201.17 = 62,018.75 : x
  2. Step 2: Convert to fraction form
    172,826.75/259,201.17 = 62,018.75/x
  3. Step 3: Cross multiply
    172,826.75x = 259,201.17 × 62,018.75
  4. Step 4: Simplify right side
    172,826.75x = 16,075,332,561.94
  5. Step 5: Solve for x
    x = 16,075,332,561.94/172,826.75
  6. Step 6: Final answer
    x = 93,014.15

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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.