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Finding the Fourth Proportional to 66,035.32, 91,106.58 and 37,720.96

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Solution

The fourth proportional to 66,035.32, 91,106.58 and 37,720.96 is: 52,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.32 : 91,106.58 = 37,720.96 : x
  2. Step 2: Convert to fraction form
    66,035.32/91,106.58 = 37,720.96/x
  3. Step 3: Cross multiply
    66,035.32x = 91,106.58 × 37,720.96
  4. Step 4: Simplify right side
    66,035.32x = 3,436,627,659.92
  5. Step 5: Solve for x
    x = 3,436,627,659.92/66,035.32
  6. Step 6: Final answer
    x = 52,042.27

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