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Finding the Fourth Proportional to 171,924.92, 257,890.56 and 59,608.79

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Solution

The fourth proportional to 171,924.92, 257,890.56 and 59,608.79 is: 89,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,924.92 : 257,890.56 = 59,608.79 : x
  2. Step 2: Convert to fraction form
    171,924.92/257,890.56 = 59,608.79/x
  3. Step 3: Cross multiply
    171,924.92x = 257,890.56 × 59,608.79
  4. Step 4: Simplify right side
    171,924.92x = 15,372,543,935.98
  5. Step 5: Solve for x
    x = 15,372,543,935.98/171,924.92
  6. Step 6: Final answer
    x = 89,414.29

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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.