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Finding the Fourth Proportional to 174.06, 260.46 and 122.76

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Solution

The fourth proportional to 174.06, 260.46 and 122.76 is: 183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.06 : 260.46 = 122.76 : x
  2. Step 2: Convert to fraction form
    174.06/260.46 = 122.76/x
  3. Step 3: Cross multiply
    174.06x = 260.46 × 122.76
  4. Step 4: Simplify right side
    174.06x = 31,974.07
  5. Step 5: Solve for x
    x = 31,974.07/174.06
  6. Step 6: Final answer
    x = 183.70

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