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Finding the Fourth Proportional to 70,126.68, 105,190.95 and 23,379.57

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Solution

The fourth proportional to 70,126.68, 105,190.95 and 23,379.57 is: 35,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.68 : 105,190.95 = 23,379.57 : x
  2. Step 2: Convert to fraction form
    70,126.68/105,190.95 = 23,379.57/x
  3. Step 3: Cross multiply
    70,126.68x = 105,190.95 × 23,379.57
  4. Step 4: Simplify right side
    70,126.68x = 2,459,319,178.89
  5. Step 5: Solve for x
    x = 2,459,319,178.89/70,126.68
  6. Step 6: Final answer
    x = 35,069.67

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