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Finding the Fourth Proportional to 190.24, 285.36 and 182.08

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Solution

The fourth proportional to 190.24, 285.36 and 182.08 is: 273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.24 : 285.36 = 182.08 : x
  2. Step 2: Convert to fraction form
    190.24/285.36 = 182.08/x
  3. Step 3: Cross multiply
    190.24x = 285.36 × 182.08
  4. Step 4: Simplify right side
    190.24x = 51,958.35
  5. Step 5: Solve for x
    x = 51,958.35/190.24
  6. Step 6: Final answer
    x = 273.12

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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.