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Finding the Fourth Proportional to 132,003.69, 197,974.89 and 78,710.55

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Solution

The fourth proportional to 132,003.69, 197,974.89 and 78,710.55 is: 118,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.69 : 197,974.89 = 78,710.55 : x
  2. Step 2: Convert to fraction form
    132,003.69/197,974.89 = 78,710.55/x
  3. Step 3: Cross multiply
    132,003.69x = 197,974.89 × 78,710.55
  4. Step 4: Simplify right side
    132,003.69x = 15,582,712,478.09
  5. Step 5: Solve for x
    x = 15,582,712,478.09/132,003.69
  6. Step 6: Final answer
    x = 118,047.55

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