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Finding the Fourth Proportional to 103,045.82, 154,576.24 and 31,959.43

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Solution

The fourth proportional to 103,045.82, 154,576.24 and 31,959.43 is: 47,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,045.82 : 154,576.24 = 31,959.43 : x
  2. Step 2: Convert to fraction form
    103,045.82/154,576.24 = 31,959.43/x
  3. Step 3: Cross multiply
    103,045.82x = 154,576.24 × 31,959.43
  4. Step 4: Simplify right side
    103,045.82x = 4,940,168,055.60
  5. Step 5: Solve for x
    x = 4,940,168,055.60/103,045.82
  6. Step 6: Final answer
    x = 47,941.47

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