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Finding the Fourth Proportional to 185.31, 277.93 and 48.36

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Solution

The fourth proportional to 185.31, 277.93 and 48.36 is: 72.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.31 : 277.93 = 48.36 : x
  2. Step 2: Convert to fraction form
    185.31/277.93 = 48.36/x
  3. Step 3: Cross multiply
    185.31x = 277.93 × 48.36
  4. Step 4: Simplify right side
    185.31x = 13,440.69
  5. Step 5: Solve for x
    x = 13,440.69/185.31
  6. Step 6: Final answer
    x = 72.53

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