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Finding the Fourth Proportional to 102,739.46, 154,121.54 and 36,165.76

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Solution

The fourth proportional to 102,739.46, 154,121.54 and 36,165.76 is: 54,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,739.46 : 154,121.54 = 36,165.76 : x
  2. Step 2: Convert to fraction form
    102,739.46/154,121.54 = 36,165.76/x
  3. Step 3: Cross multiply
    102,739.46x = 154,121.54 × 36,165.76
  4. Step 4: Simplify right side
    102,739.46x = 5,573,922,060.34
  5. Step 5: Solve for x
    x = 5,573,922,060.34/102,739.46
  6. Step 6: Final answer
    x = 54,252.98

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