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Finding the Fourth Proportional to 190.68, 262.62 and 177.24

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Solution

The fourth proportional to 190.68, 262.62 and 177.24 is: 244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.68 : 262.62 = 177.24 : x
  2. Step 2: Convert to fraction form
    190.68/262.62 = 177.24/x
  3. Step 3: Cross multiply
    190.68x = 262.62 × 177.24
  4. Step 4: Simplify right side
    190.68x = 46,546.77
  5. Step 5: Solve for x
    x = 46,546.77/190.68
  6. Step 6: Final answer
    x = 244.11

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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.