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Finding the Fourth Proportional to 209.94, 314.93 and 94.44

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Solution

The fourth proportional to 209.94, 314.93 and 94.44 is: 141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209.94 : 314.93 = 94.44 : x
  2. Step 2: Convert to fraction form
    209.94/314.93 = 94.44/x
  3. Step 3: Cross multiply
    209.94x = 314.93 × 94.44
  4. Step 4: Simplify right side
    209.94x = 29,740.41
  5. Step 5: Solve for x
    x = 29,740.41/209.94
  6. Step 6: Final answer
    x = 141.66

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