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Finding the Fourth Proportional to 190.09, 262.27 and 116.33

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Solution

The fourth proportional to 190.09, 262.27 and 116.33 is: 160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.09 : 262.27 = 116.33 : x
  2. Step 2: Convert to fraction form
    190.09/262.27 = 116.33/x
  3. Step 3: Cross multiply
    190.09x = 262.27 × 116.33
  4. Step 4: Simplify right side
    190.09x = 30,509.87
  5. Step 5: Solve for x
    x = 30,509.87/190.09
  6. Step 6: Final answer
    x = 160.50

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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.