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Finding the Fourth Proportional to 47,168.58, 65,119.52 and 31,274.52

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Solution

The fourth proportional to 47,168.58, 65,119.52 and 31,274.52 is: 43,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.58 : 65,119.52 = 31,274.52 : x
  2. Step 2: Convert to fraction form
    47,168.58/65,119.52 = 31,274.52/x
  3. Step 3: Cross multiply
    47,168.58x = 65,119.52 × 31,274.52
  4. Step 4: Simplify right side
    47,168.58x = 2,036,581,574.26
  5. Step 5: Solve for x
    x = 2,036,581,574.26/47,168.58
  6. Step 6: Final answer
    x = 43,176.66

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