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Finding the Fourth Proportional to 171,949.92, 257,940.96 and 59,612.64

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Solution

The fourth proportional to 171,949.92, 257,940.96 and 59,612.64 is: 89,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,949.92 : 257,940.96 = 59,612.64 : x
  2. Step 2: Convert to fraction form
    171,949.92/257,940.96 = 59,612.64/x
  3. Step 3: Cross multiply
    171,949.92x = 257,940.96 × 59,612.64
  4. Step 4: Simplify right side
    171,949.92x = 15,376,541,589.73
  5. Step 5: Solve for x
    x = 15,376,541,589.73/171,949.92
  6. Step 6: Final answer
    x = 89,424.53

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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.