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Finding the Fourth Proportional to 189,994.40, 262,191.12 and 105,109.64

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Solution

The fourth proportional to 189,994.40, 262,191.12 and 105,109.64 is: 145,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,994.40 : 262,191.12 = 105,109.64 : x
  2. Step 2: Convert to fraction form
    189,994.40/262,191.12 = 105,109.64/x
  3. Step 3: Cross multiply
    189,994.40x = 262,191.12 × 105,109.64
  4. Step 4: Simplify right side
    189,994.40x = 27,558,814,234.40
  5. Step 5: Solve for x
    x = 27,558,814,234.40/189,994.40
  6. Step 6: Final answer
    x = 145,050.67

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