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Finding the Fourth Proportional to 190.06, 262.29 and 106.04

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Solution

The fourth proportional to 190.06, 262.29 and 106.04 is: 146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.06 : 262.29 = 106.04 : x
  2. Step 2: Convert to fraction form
    190.06/262.29 = 106.04/x
  3. Step 3: Cross multiply
    190.06x = 262.29 × 106.04
  4. Step 4: Simplify right side
    190.06x = 27,813.23
  5. Step 5: Solve for x
    x = 27,813.23/190.06
  6. Step 6: Final answer
    x = 146.34

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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.