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Finding the Fourth Proportional to 111,339.12, 166,956.84 and 64,605.36

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Solution

The fourth proportional to 111,339.12, 166,956.84 and 64,605.36 is: 96,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,339.12 : 166,956.84 = 64,605.36 : x
  2. Step 2: Convert to fraction form
    111,339.12/166,956.84 = 64,605.36/x
  3. Step 3: Cross multiply
    111,339.12x = 166,956.84 × 64,605.36
  4. Step 4: Simplify right side
    111,339.12x = 10,786,306,752.66
  5. Step 5: Solve for x
    x = 10,786,306,752.66/111,339.12
  6. Step 6: Final answer
    x = 96,877.96

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