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Finding the Fourth Proportional to 131.63, 197.44 and 59.48

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Solution

The fourth proportional to 131.63, 197.44 and 59.48 is: 89.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.63 : 197.44 = 59.48 : x
  2. Step 2: Convert to fraction form
    131.63/197.44 = 59.48/x
  3. Step 3: Cross multiply
    131.63x = 197.44 × 59.48
  4. Step 4: Simplify right side
    131.63x = 11,744.45
  5. Step 5: Solve for x
    x = 11,744.45/131.63
  6. Step 6: Final answer
    x = 89.23

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