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Finding the Fourth Proportional to 190.25, 262.33 and 175.67

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Solution

The fourth proportional to 190.25, 262.33 and 175.67 is: 242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.25 : 262.33 = 175.67 : x
  2. Step 2: Convert to fraction form
    190.25/262.33 = 175.67/x
  3. Step 3: Cross multiply
    190.25x = 262.33 × 175.67
  4. Step 4: Simplify right side
    190.25x = 46,083.51
  5. Step 5: Solve for x
    x = 46,083.51/190.25
  6. Step 6: Final answer
    x = 242.23

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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.