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Finding the Fourth Proportional to 134,886.11, 186,142.87 and 74,456.80

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Solution

The fourth proportional to 134,886.11, 186,142.87 and 74,456.80 is: 102,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.11 : 186,142.87 = 74,456.80 : x
  2. Step 2: Convert to fraction form
    134,886.11/186,142.87 = 74,456.80/x
  3. Step 3: Cross multiply
    134,886.11x = 186,142.87 × 74,456.80
  4. Step 4: Simplify right side
    134,886.11x = 13,859,601,698.44
  5. Step 5: Solve for x
    x = 13,859,601,698.44/134,886.11
  6. Step 6: Final answer
    x = 102,750.40

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