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Finding the Fourth Proportional to 67,918.64, 93,670.16 and 43,723.80

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Solution

The fourth proportional to 67,918.64, 93,670.16 and 43,723.80 is: 60,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.64 : 93,670.16 = 43,723.80 : x
  2. Step 2: Convert to fraction form
    67,918.64/93,670.16 = 43,723.80/x
  3. Step 3: Cross multiply
    67,918.64x = 93,670.16 × 43,723.80
  4. Step 4: Simplify right side
    67,918.64x = 4,095,615,123.19
  5. Step 5: Solve for x
    x = 4,095,615,123.19/67,918.64
  6. Step 6: Final answer
    x = 60,301.79

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