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Finding the Fourth Proportional to 170.05, 254.93 and 61.82

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Solution

The fourth proportional to 170.05, 254.93 and 61.82 is: 92.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.05 : 254.93 = 61.82 : x
  2. Step 2: Convert to fraction form
    170.05/254.93 = 61.82/x
  3. Step 3: Cross multiply
    170.05x = 254.93 × 61.82
  4. Step 4: Simplify right side
    170.05x = 15,759.77
  5. Step 5: Solve for x
    x = 15,759.77/170.05
  6. Step 6: Final answer
    x = 92.68

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