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Finding the Fourth Proportional to 57,127.41, 85,690.20 and 15,574.41

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Solution

The fourth proportional to 57,127.41, 85,690.20 and 15,574.41 is: 23,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.41 : 85,690.20 = 15,574.41 : x
  2. Step 2: Convert to fraction form
    57,127.41/85,690.20 = 15,574.41/x
  3. Step 3: Cross multiply
    57,127.41x = 85,690.20 × 15,574.41
  4. Step 4: Simplify right side
    57,127.41x = 1,334,574,307.78
  5. Step 5: Solve for x
    x = 1,334,574,307.78/57,127.41
  6. Step 6: Final answer
    x = 23,361.37

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