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Finding the Fourth Proportional to 59,490.78, 82,074.63 and 37,981.33

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Solution

The fourth proportional to 59,490.78, 82,074.63 and 37,981.33 is: 52,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,490.78 : 82,074.63 = 37,981.33 : x
  2. Step 2: Convert to fraction form
    59,490.78/82,074.63 = 37,981.33/x
  3. Step 3: Cross multiply
    59,490.78x = 82,074.63 × 37,981.33
  4. Step 4: Simplify right side
    59,490.78x = 3,117,303,606.66
  5. Step 5: Solve for x
    x = 3,117,303,606.66/59,490.78
  6. Step 6: Final answer
    x = 52,399.78

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