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Finding the Fourth Proportional to 190.37, 262.62 and 116.69

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Solution

The fourth proportional to 190.37, 262.62 and 116.69 is: 160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.37 : 262.62 = 116.69 : x
  2. Step 2: Convert to fraction form
    190.37/262.62 = 116.69/x
  3. Step 3: Cross multiply
    190.37x = 262.62 × 116.69
  4. Step 4: Simplify right side
    190.37x = 30,643.81
  5. Step 5: Solve for x
    x = 30,643.81/190.37
  6. Step 6: Final answer
    x = 160.97

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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.