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Finding the Fourth Proportional to 48,603.80, 72,905.70 and 31,093.40

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Solution

The fourth proportional to 48,603.80, 72,905.70 and 31,093.40 is: 46,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,603.80 : 72,905.70 = 31,093.40 : x
  2. Step 2: Convert to fraction form
    48,603.80/72,905.70 = 31,093.40/x
  3. Step 3: Cross multiply
    48,603.80x = 72,905.70 × 31,093.40
  4. Step 4: Simplify right side
    48,603.80x = 2,266,886,092.38
  5. Step 5: Solve for x
    x = 2,266,886,092.38/48,603.80
  6. Step 6: Final answer
    x = 46,640.10

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