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Finding the Fourth Proportional to 122,018.54, 168,706.89 and 106,867.76

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Solution

The fourth proportional to 122,018.54, 168,706.89 and 106,867.76 is: 147,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,018.54 : 168,706.89 = 106,867.76 : x
  2. Step 2: Convert to fraction form
    122,018.54/168,706.89 = 106,867.76/x
  3. Step 3: Cross multiply
    122,018.54x = 168,706.89 × 106,867.76
  4. Step 4: Simplify right side
    122,018.54x = 18,029,326,437.05
  5. Step 5: Solve for x
    x = 18,029,326,437.05/122,018.54
  6. Step 6: Final answer
    x = 147,758.91

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