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Finding the Fourth Proportional to 190.16, 284.97 and 94.04

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Solution

The fourth proportional to 190.16, 284.97 and 94.04 is: 140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.16 : 284.97 = 94.04 : x
  2. Step 2: Convert to fraction form
    190.16/284.97 = 94.04/x
  3. Step 3: Cross multiply
    190.16x = 284.97 × 94.04
  4. Step 4: Simplify right side
    190.16x = 26,797.40
  5. Step 5: Solve for x
    x = 26,797.40/190.16
  6. Step 6: Final answer
    x = 140.92

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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.