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Finding the Fourth Proportional to 163,511.56, 225,643.86 and 91,903.60

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Solution

The fourth proportional to 163,511.56, 225,643.86 and 91,903.60 is: 126,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.56 : 225,643.86 = 91,903.60 : x
  2. Step 2: Convert to fraction form
    163,511.56/225,643.86 = 91,903.60/x
  3. Step 3: Cross multiply
    163,511.56x = 225,643.86 × 91,903.60
  4. Step 4: Simplify right side
    163,511.56x = 20,737,483,051.90
  5. Step 5: Solve for x
    x = 20,737,483,051.90/163,511.56
  6. Step 6: Final answer
    x = 126,825.79

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