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Finding the Fourth Proportional to 334.61, 501.83 and 91.14

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Solution

The fourth proportional to 334.61, 501.83 and 91.14 is: 136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.61 : 501.83 = 91.14 : x
  2. Step 2: Convert to fraction form
    334.61/501.83 = 91.14/x
  3. Step 3: Cross multiply
    334.61x = 501.83 × 91.14
  4. Step 4: Simplify right side
    334.61x = 45,736.79
  5. Step 5: Solve for x
    x = 45,736.79/334.61
  6. Step 6: Final answer
    x = 136.69

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