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Finding the Fourth Proportional to 190,797.66, 263,299.41 and 105,914.52

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Solution

The fourth proportional to 190,797.66, 263,299.41 and 105,914.52 is: 146,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,797.66 : 263,299.41 = 105,914.52 : x
  2. Step 2: Convert to fraction form
    190,797.66/263,299.41 = 105,914.52/x
  3. Step 3: Cross multiply
    190,797.66x = 263,299.41 × 105,914.52
  4. Step 4: Simplify right side
    190,797.66x = 27,887,230,626.43
  5. Step 5: Solve for x
    x = 27,887,230,626.43/190,797.66
  6. Step 6: Final answer
    x = 146,161.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.