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Finding the Fourth Proportional to 109,798.40, 164,697.60 and 54,502.40

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Solution

The fourth proportional to 109,798.40, 164,697.60 and 54,502.40 is: 81,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,798.40 : 164,697.60 = 54,502.40 : x
  2. Step 2: Convert to fraction form
    109,798.40/164,697.60 = 54,502.40/x
  3. Step 3: Cross multiply
    109,798.40x = 164,697.60 × 54,502.40
  4. Step 4: Simplify right side
    109,798.40x = 8,976,414,474.24
  5. Step 5: Solve for x
    x = 8,976,414,474.24/109,798.40
  6. Step 6: Final answer
    x = 81,753.60

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