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Finding the Fourth Proportional to 308.13, 462.10 and 102.64

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Solution

The fourth proportional to 308.13, 462.10 and 102.64 is: 153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.13 : 462.10 = 102.64 : x
  2. Step 2: Convert to fraction form
    308.13/462.10 = 102.64/x
  3. Step 3: Cross multiply
    308.13x = 462.10 × 102.64
  4. Step 4: Simplify right side
    308.13x = 47,429.94
  5. Step 5: Solve for x
    x = 47,429.94/308.13
  6. Step 6: Final answer
    x = 153.93

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