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Finding the Fourth Proportional to 158,090.76, 218,165.49 and 86,470.56

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Solution

The fourth proportional to 158,090.76, 218,165.49 and 86,470.56 is: 119,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,090.76 : 218,165.49 = 86,470.56 : x
  2. Step 2: Convert to fraction form
    158,090.76/218,165.49 = 86,470.56/x
  3. Step 3: Cross multiply
    158,090.76x = 218,165.49 × 86,470.56
  4. Step 4: Simplify right side
    158,090.76x = 18,864,892,092.97
  5. Step 5: Solve for x
    x = 18,864,892,092.97/158,090.76
  6. Step 6: Final answer
    x = 119,329.50

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