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Finding the Fourth Proportional to 163,662.50, 225,857.44 and 99,134.16

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Solution

The fourth proportional to 163,662.50, 225,857.44 and 99,134.16 is: 136,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,662.50 : 225,857.44 = 99,134.16 : x
  2. Step 2: Convert to fraction form
    163,662.50/225,857.44 = 99,134.16/x
  3. Step 3: Cross multiply
    163,662.50x = 225,857.44 × 99,134.16
  4. Step 4: Simplify right side
    163,662.50x = 22,390,187,594.15
  5. Step 5: Solve for x
    x = 22,390,187,594.15/163,662.50
  6. Step 6: Final answer
    x = 136,807.07

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