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Finding the Fourth Proportional to 82.53, 123.67 and 65.34

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Solution

The fourth proportional to 82.53, 123.67 and 65.34 is: 97.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.53 : 123.67 = 65.34 : x
  2. Step 2: Convert to fraction form
    82.53/123.67 = 65.34/x
  3. Step 3: Cross multiply
    82.53x = 123.67 × 65.34
  4. Step 4: Simplify right side
    82.53x = 8,080.60
  5. Step 5: Solve for x
    x = 8,080.60/82.53
  6. Step 6: Final answer
    x = 97.91

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