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Finding the Fourth Proportional to 99.04, 136.65 and 62.24

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Solution

The fourth proportional to 99.04, 136.65 and 62.24 is: 85.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.04 : 136.65 = 62.24 : x
  2. Step 2: Convert to fraction form
    99.04/136.65 = 62.24/x
  3. Step 3: Cross multiply
    99.04x = 136.65 × 62.24
  4. Step 4: Simplify right side
    99.04x = 8,505.10
  5. Step 5: Solve for x
    x = 8,505.10/99.04
  6. Step 6: Final answer
    x = 85.88

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