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Finding the Fourth Proportional to 173.07, 259.72 and 64.86

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Solution

The fourth proportional to 173.07, 259.72 and 64.86 is: 97.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.07 : 259.72 = 64.86 : x
  2. Step 2: Convert to fraction form
    173.07/259.72 = 64.86/x
  3. Step 3: Cross multiply
    173.07x = 259.72 × 64.86
  4. Step 4: Simplify right side
    173.07x = 16,845.44
  5. Step 5: Solve for x
    x = 16,845.44/173.07
  6. Step 6: Final answer
    x = 97.33

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