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Finding the Fourth Proportional to 64,974.86, 97,383.80 and 31,644.98

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Solution

The fourth proportional to 64,974.86, 97,383.80 and 31,644.98 is: 47,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974.86 : 97,383.80 = 31,644.98 : x
  2. Step 2: Convert to fraction form
    64,974.86/97,383.80 = 31,644.98/x
  3. Step 3: Cross multiply
    64,974.86x = 97,383.80 × 31,644.98
  4. Step 4: Simplify right side
    64,974.86x = 3,081,708,403.32
  5. Step 5: Solve for x
    x = 3,081,708,403.32/64,974.86
  6. Step 6: Final answer
    x = 47,429.24

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