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Finding the Fourth Proportional to 66,145.98, 91,286.28 and 37,851.06

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Solution

The fourth proportional to 66,145.98, 91,286.28 and 37,851.06 is: 52,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,145.98 : 91,286.28 = 37,851.06 : x
  2. Step 2: Convert to fraction form
    66,145.98/91,286.28 = 37,851.06/x
  3. Step 3: Cross multiply
    66,145.98x = 91,286.28 × 37,851.06
  4. Step 4: Simplify right side
    66,145.98x = 3,455,282,461.46
  5. Step 5: Solve for x
    x = 3,455,282,461.46/66,145.98
  6. Step 6: Final answer
    x = 52,237.23

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