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Finding the Fourth Proportional to 78,005, 107,603.16 and 47,804.96

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Solution

The fourth proportional to 78,005, 107,603.16 and 47,804.96 is: 65,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005 : 107,603.16 = 47,804.96 : x
  2. Step 2: Convert to fraction form
    78,005/107,603.16 = 47,804.96/x
  3. Step 3: Cross multiply
    78,005x = 107,603.16 × 47,804.96
  4. Step 4: Simplify right side
    78,005x = 5,143,964,759.67
  5. Step 5: Solve for x
    x = 5,143,964,759.67/78,005
  6. Step 6: Final answer
    x = 65,944.04

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