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Finding the Fourth Proportional to 178,660.76, 268,036.09 and 78,848.51

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Solution

The fourth proportional to 178,660.76, 268,036.09 and 78,848.51 is: 118,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,660.76 : 268,036.09 = 78,848.51 : x
  2. Step 2: Convert to fraction form
    178,660.76/268,036.09 = 78,848.51/x
  3. Step 3: Cross multiply
    178,660.76x = 268,036.09 × 78,848.51
  4. Step 4: Simplify right side
    178,660.76x = 21,134,244,785.42
  5. Step 5: Solve for x
    x = 21,134,244,785.42/178,660.76
  6. Step 6: Final answer
    x = 118,292.60

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