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Finding the Fourth Proportional to 60,391.31, 90,539.32 and 38,157.82

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Solution

The fourth proportional to 60,391.31, 90,539.32 and 38,157.82 is: 57,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.31 : 90,539.32 = 38,157.82 : x
  2. Step 2: Convert to fraction form
    60,391.31/90,539.32 = 38,157.82/x
  3. Step 3: Cross multiply
    60,391.31x = 90,539.32 × 38,157.82
  4. Step 4: Simplify right side
    60,391.31x = 3,454,783,075.48
  5. Step 5: Solve for x
    x = 3,454,783,075.48/60,391.31
  6. Step 6: Final answer
    x = 57,206.63

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