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Finding the Fourth Proportional to 66,251.43, 91,443.21 and 37,587.87

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Solution

The fourth proportional to 66,251.43, 91,443.21 and 37,587.87 is: 51,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.43 : 91,443.21 = 37,587.87 : x
  2. Step 2: Convert to fraction form
    66,251.43/91,443.21 = 37,587.87/x
  3. Step 3: Cross multiply
    66,251.43x = 91,443.21 × 37,587.87
  4. Step 4: Simplify right side
    66,251.43x = 3,437,154,915.18
  5. Step 5: Solve for x
    x = 3,437,154,915.18/66,251.43
  6. Step 6: Final answer
    x = 51,880.47

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