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Finding the Fourth Proportional to 144,263.10, 198,953.64 and 120,143.73

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Solution

The fourth proportional to 144,263.10, 198,953.64 and 120,143.73 is: 165,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,263.10 : 198,953.64 = 120,143.73 : x
  2. Step 2: Convert to fraction form
    144,263.10/198,953.64 = 120,143.73/x
  3. Step 3: Cross multiply
    144,263.10x = 198,953.64 × 120,143.73
  4. Step 4: Simplify right side
    144,263.10x = 23,903,032,406.68
  5. Step 5: Solve for x
    x = 23,903,032,406.68/144,263.10
  6. Step 6: Final answer
    x = 165,690.55

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