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Finding the Fourth Proportional to 48,230.73, 66,536.25 and 31,240.64

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Solution

The fourth proportional to 48,230.73, 66,536.25 and 31,240.64 is: 43,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,230.73 : 66,536.25 = 31,240.64 : x
  2. Step 2: Convert to fraction form
    48,230.73/66,536.25 = 31,240.64/x
  3. Step 3: Cross multiply
    48,230.73x = 66,536.25 × 31,240.64
  4. Step 4: Simplify right side
    48,230.73x = 2,078,634,700.52
  5. Step 5: Solve for x
    x = 2,078,634,700.52/48,230.73
  6. Step 6: Final answer
    x = 43,097.72

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