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Finding the Fourth Proportional to 190.35, 261.26 and 185.24

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Solution

The fourth proportional to 190.35, 261.26 and 185.24 is: 254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.35 : 261.26 = 185.24 : x
  2. Step 2: Convert to fraction form
    190.35/261.26 = 185.24/x
  3. Step 3: Cross multiply
    190.35x = 261.26 × 185.24
  4. Step 4: Simplify right side
    190.35x = 48,393.57
  5. Step 5: Solve for x
    x = 48,393.57/190.35
  6. Step 6: Final answer
    x = 254.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.