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Finding the Fourth Proportional to 172,932.87, 259,410.24 and 54,608.88

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Solution

The fourth proportional to 172,932.87, 259,410.24 and 54,608.88 is: 81,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,932.87 : 259,410.24 = 54,608.88 : x
  2. Step 2: Convert to fraction form
    172,932.87/259,410.24 = 54,608.88/x
  3. Step 3: Cross multiply
    172,932.87x = 259,410.24 × 54,608.88
  4. Step 4: Simplify right side
    172,932.87x = 14,166,102,666.93
  5. Step 5: Solve for x
    x = 14,166,102,666.93/172,932.87
  6. Step 6: Final answer
    x = 81,916.77

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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.