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Finding the Fourth Proportional to 174.01, 261.15 and 112.99

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Solution

The fourth proportional to 174.01, 261.15 and 112.99 is: 169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.01 : 261.15 = 112.99 : x
  2. Step 2: Convert to fraction form
    174.01/261.15 = 112.99/x
  3. Step 3: Cross multiply
    174.01x = 261.15 × 112.99
  4. Step 4: Simplify right side
    174.01x = 29,507.34
  5. Step 5: Solve for x
    x = 29,507.34/174.01
  6. Step 6: Final answer
    x = 169.57

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