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Finding the Fourth Proportional to 190.93, 263.43 and 131.95

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Solution

The fourth proportional to 190.93, 263.43 and 131.95 is: 182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.93 : 263.43 = 131.95 : x
  2. Step 2: Convert to fraction form
    190.93/263.43 = 131.95/x
  3. Step 3: Cross multiply
    190.93x = 263.43 × 131.95
  4. Step 4: Simplify right side
    190.93x = 34,759.59
  5. Step 5: Solve for x
    x = 34,759.59/190.93
  6. Step 6: Final answer
    x = 182.05

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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.