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Finding the Fourth Proportional to 81,164.19, 112,004.43 and 45,354.49

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Solution

The fourth proportional to 81,164.19, 112,004.43 and 45,354.49 is: 62,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,164.19 : 112,004.43 = 45,354.49 : x
  2. Step 2: Convert to fraction form
    81,164.19/112,004.43 = 45,354.49/x
  3. Step 3: Cross multiply
    81,164.19x = 112,004.43 × 45,354.49
  4. Step 4: Simplify right side
    81,164.19x = 5,079,903,800.39
  5. Step 5: Solve for x
    x = 5,079,903,800.39/81,164.19
  6. Step 6: Final answer
    x = 62,587.99

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