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Finding the Fourth Proportional to 48,463.20, 72,583.02 and 42,057.72

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Solution

The fourth proportional to 48,463.20, 72,583.02 and 42,057.72 is: 62,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.20 : 72,583.02 = 42,057.72 : x
  2. Step 2: Convert to fraction form
    48,463.20/72,583.02 = 42,057.72/x
  3. Step 3: Cross multiply
    48,463.20x = 72,583.02 × 42,057.72
  4. Step 4: Simplify right side
    48,463.20x = 3,052,676,331.91
  5. Step 5: Solve for x
    x = 3,052,676,331.91/48,463.20
  6. Step 6: Final answer
    x = 62,989.57

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