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Finding the Fourth Proportional to 114,928.72, 158,511.66 and 78,651.58

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Solution

The fourth proportional to 114,928.72, 158,511.66 and 78,651.58 is: 108,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928.72 : 158,511.66 = 78,651.58 : x
  2. Step 2: Convert to fraction form
    114,928.72/158,511.66 = 78,651.58/x
  3. Step 3: Cross multiply
    114,928.72x = 158,511.66 × 78,651.58
  4. Step 4: Simplify right side
    114,928.72x = 12,467,192,507.42
  5. Step 5: Solve for x
    x = 12,467,192,507.42/114,928.72
  6. Step 6: Final answer
    x = 108,477.61

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