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Finding the Fourth Proportional to 190.96, 263.50 and 116.26

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Solution

The fourth proportional to 190.96, 263.50 and 116.26 is: 160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.96 : 263.50 = 116.26 : x
  2. Step 2: Convert to fraction form
    190.96/263.50 = 116.26/x
  3. Step 3: Cross multiply
    190.96x = 263.50 × 116.26
  4. Step 4: Simplify right side
    190.96x = 30,634.51
  5. Step 5: Solve for x
    x = 30,634.51/190.96
  6. Step 6: Final answer
    x = 160.42

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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.