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Finding the Fourth Proportional to 173,311.96, 259,977.16 and 54,992.56

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Solution

The fourth proportional to 173,311.96, 259,977.16 and 54,992.56 is: 82,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,311.96 : 259,977.16 = 54,992.56 : x
  2. Step 2: Convert to fraction form
    173,311.96/259,977.16 = 54,992.56/x
  3. Step 3: Cross multiply
    173,311.96x = 259,977.16 × 54,992.56
  4. Step 4: Simplify right side
    173,311.96x = 14,296,809,569.93
  5. Step 5: Solve for x
    x = 14,296,809,569.93/173,311.96
  6. Step 6: Final answer
    x = 82,491.77

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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.