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Finding the Fourth Proportional to 66,423.92, 91,661.63 and 37,739.84

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Solution

The fourth proportional to 66,423.92, 91,661.63 and 37,739.84 is: 52,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.92 : 91,661.63 = 37,739.84 : x
  2. Step 2: Convert to fraction form
    66,423.92/91,661.63 = 37,739.84/x
  3. Step 3: Cross multiply
    66,423.92x = 91,661.63 × 37,739.84
  4. Step 4: Simplify right side
    66,423.92x = 3,459,294,603.33
  5. Step 5: Solve for x
    x = 3,459,294,603.33/66,423.92
  6. Step 6: Final answer
    x = 52,079.05

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