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Finding the Fourth Proportional to 48,851.40, 73,058.40 and 40,978.20

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Solution

The fourth proportional to 48,851.40, 73,058.40 and 40,978.20 is: 61,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,851.40 : 73,058.40 = 40,978.20 : x
  2. Step 2: Convert to fraction form
    48,851.40/73,058.40 = 40,978.20/x
  3. Step 3: Cross multiply
    48,851.40x = 73,058.40 × 40,978.20
  4. Step 4: Simplify right side
    48,851.40x = 2,993,801,726.88
  5. Step 5: Solve for x
    x = 2,993,801,726.88/48,851.40
  6. Step 6: Final answer
    x = 61,283.85

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