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Finding the Fourth Proportional to 185,957.40, 278,936.10 and 111,307.80

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Solution

The fourth proportional to 185,957.40, 278,936.10 and 111,307.80 is: 166,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,957.40 : 278,936.10 = 111,307.80 : x
  2. Step 2: Convert to fraction form
    185,957.40/278,936.10 = 111,307.80/x
  3. Step 3: Cross multiply
    185,957.40x = 278,936.10 × 111,307.80
  4. Step 4: Simplify right side
    185,957.40x = 31,047,763,631.58
  5. Step 5: Solve for x
    x = 31,047,763,631.58/185,957.40
  6. Step 6: Final answer
    x = 166,961.70

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