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Finding the Fourth Proportional to 554.82, 832.24 and 143.94

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Solution

The fourth proportional to 554.82, 832.24 and 143.94 is: 215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.82 : 832.24 = 143.94 : x
  2. Step 2: Convert to fraction form
    554.82/832.24 = 143.94/x
  3. Step 3: Cross multiply
    554.82x = 832.24 × 143.94
  4. Step 4: Simplify right side
    554.82x = 119,792.63
  5. Step 5: Solve for x
    x = 119,792.63/554.82
  6. Step 6: Final answer
    x = 215.91

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