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Finding the Fourth Proportional to 170,892.87, 256,375.65 and 58,542.93

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Solution

The fourth proportional to 170,892.87, 256,375.65 and 58,542.93 is: 87,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,892.87 : 256,375.65 = 58,542.93 : x
  2. Step 2: Convert to fraction form
    170,892.87/256,375.65 = 58,542.93/x
  3. Step 3: Cross multiply
    170,892.87x = 256,375.65 × 58,542.93
  4. Step 4: Simplify right side
    170,892.87x = 15,008,981,731.65
  5. Step 5: Solve for x
    x = 15,008,981,731.65/170,892.87
  6. Step 6: Final answer
    x = 87,826.85

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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.