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Finding the Fourth Proportional to 190,297.59, 285,479.21 and 63,949.96

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Solution

The fourth proportional to 190,297.59, 285,479.21 and 63,949.96 is: 95,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,297.59 : 285,479.21 = 63,949.96 : x
  2. Step 2: Convert to fraction form
    190,297.59/285,479.21 = 63,949.96/x
  3. Step 3: Cross multiply
    190,297.59x = 285,479.21 × 63,949.96
  4. Step 4: Simplify right side
    190,297.59x = 18,256,384,060.33
  5. Step 5: Solve for x
    x = 18,256,384,060.33/190,297.59
  6. Step 6: Final answer
    x = 95,935.97

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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.