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Finding the Fourth Proportional to 173.97, 260.99 and 65.70

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Solution

The fourth proportional to 173.97, 260.99 and 65.70 is: 98.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.97 : 260.99 = 65.70 : x
  2. Step 2: Convert to fraction form
    173.97/260.99 = 65.70/x
  3. Step 3: Cross multiply
    173.97x = 260.99 × 65.70
  4. Step 4: Simplify right side
    173.97x = 17,147.04
  5. Step 5: Solve for x
    x = 17,147.04/173.97
  6. Step 6: Final answer
    x = 98.56

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