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Finding the Fourth Proportional to 84,297.04, 116,185.80 and 65,398.48

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Solution

The fourth proportional to 84,297.04, 116,185.80 and 65,398.48 is: 90,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,297.04 : 116,185.80 = 65,398.48 : x
  2. Step 2: Convert to fraction form
    84,297.04/116,185.80 = 65,398.48/x
  3. Step 3: Cross multiply
    84,297.04x = 116,185.80 × 65,398.48
  4. Step 4: Simplify right side
    84,297.04x = 7,598,374,717.58
  5. Step 5: Solve for x
    x = 7,598,374,717.58/84,297.04
  6. Step 6: Final answer
    x = 90,138.10

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