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Finding the Fourth Proportional to 98,583.98, 147,910.40 and 31,126.48

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Solution

The fourth proportional to 98,583.98, 147,910.40 and 31,126.48 is: 46,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.98 : 147,910.40 = 31,126.48 : x
  2. Step 2: Convert to fraction form
    98,583.98/147,910.40 = 31,126.48/x
  3. Step 3: Cross multiply
    98,583.98x = 147,910.40 × 31,126.48
  4. Step 4: Simplify right side
    98,583.98x = 4,603,929,676.82
  5. Step 5: Solve for x
    x = 4,603,929,676.82/98,583.98
  6. Step 6: Final answer
    x = 46,700.59

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