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Finding the Fourth Proportional to 117,101.43, 161,539.11 and 71,790.03

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Solution

The fourth proportional to 117,101.43, 161,539.11 and 71,790.03 is: 99,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101.43 : 161,539.11 = 71,790.03 : x
  2. Step 2: Convert to fraction form
    117,101.43/161,539.11 = 71,790.03/x
  3. Step 3: Cross multiply
    117,101.43x = 161,539.11 × 71,790.03
  4. Step 4: Simplify right side
    117,101.43x = 11,596,897,553.07
  5. Step 5: Solve for x
    x = 11,596,897,553.07/117,101.43
  6. Step 6: Final answer
    x = 99,032.93

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