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Finding the Fourth Proportional to 190.02, 262.20 and 116.34

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Solution

The fourth proportional to 190.02, 262.20 and 116.34 is: 160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.02 : 262.20 = 116.34 : x
  2. Step 2: Convert to fraction form
    190.02/262.20 = 116.34/x
  3. Step 3: Cross multiply
    190.02x = 262.20 × 116.34
  4. Step 4: Simplify right side
    190.02x = 30,504.35
  5. Step 5: Solve for x
    x = 30,504.35/190.02
  6. Step 6: Final answer
    x = 160.53

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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.