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Finding the Fourth Proportional to 98,727.06, 136,246.47 and 54,015.06

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Solution

The fourth proportional to 98,727.06, 136,246.47 and 54,015.06 is: 74,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.06 : 136,246.47 = 54,015.06 : x
  2. Step 2: Convert to fraction form
    98,727.06/136,246.47 = 54,015.06/x
  3. Step 3: Cross multiply
    98,727.06x = 136,246.47 × 54,015.06
  4. Step 4: Simplify right side
    98,727.06x = 7,359,361,251.84
  5. Step 5: Solve for x
    x = 7,359,361,251.84/98,727.06
  6. Step 6: Final answer
    x = 74,542.49

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