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Finding the Fourth Proportional to 82,737.80, 124,139.10 and 30,152.60

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Solution

The fourth proportional to 82,737.80, 124,139.10 and 30,152.60 is: 45,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,737.80 : 124,139.10 = 30,152.60 : x
  2. Step 2: Convert to fraction form
    82,737.80/124,139.10 = 30,152.60/x
  3. Step 3: Cross multiply
    82,737.80x = 124,139.10 × 30,152.60
  4. Step 4: Simplify right side
    82,737.80x = 3,743,116,626.66
  5. Step 5: Solve for x
    x = 3,743,116,626.66/82,737.80
  6. Step 6: Final answer
    x = 45,240.71

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