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Finding the Fourth Proportional to 283.23, 424.97 and 121.03

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Solution

The fourth proportional to 283.23, 424.97 and 121.03 is: 181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.23 : 424.97 = 121.03 : x
  2. Step 2: Convert to fraction form
    283.23/424.97 = 121.03/x
  3. Step 3: Cross multiply
    283.23x = 424.97 × 121.03
  4. Step 4: Simplify right side
    283.23x = 51,434.12
  5. Step 5: Solve for x
    x = 51,434.12/283.23
  6. Step 6: Final answer
    x = 181.60

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