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Finding the Fourth Proportional to 255.14, 352.07 and 144.62

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Solution

The fourth proportional to 255.14, 352.07 and 144.62 is: 199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.14 : 352.07 = 144.62 : x
  2. Step 2: Convert to fraction form
    255.14/352.07 = 144.62/x
  3. Step 3: Cross multiply
    255.14x = 352.07 × 144.62
  4. Step 4: Simplify right side
    255.14x = 50,916.36
  5. Step 5: Solve for x
    x = 50,916.36/255.14
  6. Step 6: Final answer
    x = 199.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.