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Finding the Fourth Proportional to 120,742.70, 181,138.35 and 41,840.60

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Solution

The fourth proportional to 120,742.70, 181,138.35 and 41,840.60 is: 62,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,742.70 : 181,138.35 = 41,840.60 : x
  2. Step 2: Convert to fraction form
    120,742.70/181,138.35 = 41,840.60/x
  3. Step 3: Cross multiply
    120,742.70x = 181,138.35 × 41,840.60
  4. Step 4: Simplify right side
    120,742.70x = 7,578,937,247.01
  5. Step 5: Solve for x
    x = 7,578,937,247.01/120,742.70
  6. Step 6: Final answer
    x = 62,769.32

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