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Finding the Fourth Proportional to 107.12, 160.68 and 46.25

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Solution

The fourth proportional to 107.12, 160.68 and 46.25 is: 69.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.12 : 160.68 = 46.25 : x
  2. Step 2: Convert to fraction form
    107.12/160.68 = 46.25/x
  3. Step 3: Cross multiply
    107.12x = 160.68 × 46.25
  4. Step 4: Simplify right side
    107.12x = 7,431.45
  5. Step 5: Solve for x
    x = 7,431.45/107.12
  6. Step 6: Final answer
    x = 69.38

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