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Finding the Fourth Proportional to 111,964.60, 156,957.80 and 111,964.60

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Solution

The fourth proportional to 111,964.60, 156,957.80 and 111,964.60 is: 156,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,964.60 : 156,957.80 = 111,964.60 : x
  2. Step 2: Convert to fraction form
    111,964.60/156,957.80 = 111,964.60/x
  3. Step 3: Cross multiply
    111,964.60x = 156,957.80 × 111,964.60
  4. Step 4: Simplify right side
    111,964.60x = 17,573,717,293.88
  5. Step 5: Solve for x
    x = 17,573,717,293.88/111,964.60
  6. Step 6: Final answer
    x = 156,957.80

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