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Finding the Fourth Proportional to 266,558.87, 399,908.34 and 95,797.83

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Solution

The fourth proportional to 266,558.87, 399,908.34 and 95,797.83 is: 143,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,558.87 : 399,908.34 = 95,797.83 : x
  2. Step 2: Convert to fraction form
    266,558.87/399,908.34 = 95,797.83/x
  3. Step 3: Cross multiply
    266,558.87x = 399,908.34 × 95,797.83
  4. Step 4: Simplify right side
    266,558.87x = 38,310,351,170.90
  5. Step 5: Solve for x
    x = 38,310,351,170.90/266,558.87
  6. Step 6: Final answer
    x = 143,721.91

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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.