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Finding the Fourth Proportional to 163,292.28, 225,336.12 and 91,670.88

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Solution

The fourth proportional to 163,292.28, 225,336.12 and 91,670.88 is: 126,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,292.28 : 225,336.12 = 91,670.88 : x
  2. Step 2: Convert to fraction form
    163,292.28/225,336.12 = 91,670.88/x
  3. Step 3: Cross multiply
    163,292.28x = 225,336.12 × 91,670.88
  4. Step 4: Simplify right side
    163,292.28x = 20,656,760,416.19
  5. Step 5: Solve for x
    x = 20,656,760,416.19/163,292.28
  6. Step 6: Final answer
    x = 126,501.76

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