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Finding the Fourth Proportional to 98,257.80, 147,415.41 and 31,696.46

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Solution

The fourth proportional to 98,257.80, 147,415.41 and 31,696.46 is: 47,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.80 : 147,415.41 = 31,696.46 : x
  2. Step 2: Convert to fraction form
    98,257.80/147,415.41 = 31,696.46/x
  3. Step 3: Cross multiply
    98,257.80x = 147,415.41 × 31,696.46
  4. Step 4: Simplify right side
    98,257.80x = 4,672,546,646.45
  5. Step 5: Solve for x
    x = 4,672,546,646.45/98,257.80
  6. Step 6: Final answer
    x = 47,553.95

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