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Finding the Fourth Proportional to 190.06, 284.94 and 92.52

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Solution

The fourth proportional to 190.06, 284.94 and 92.52 is: 138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.06 : 284.94 = 92.52 : x
  2. Step 2: Convert to fraction form
    190.06/284.94 = 92.52/x
  3. Step 3: Cross multiply
    190.06x = 284.94 × 92.52
  4. Step 4: Simplify right side
    190.06x = 26,362.65
  5. Step 5: Solve for x
    x = 26,362.65/190.06
  6. Step 6: Final answer
    x = 138.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.