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Finding the Fourth Proportional to 135,719.60, 203,676.60 and 76,492.40

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Solution

The fourth proportional to 135,719.60, 203,676.60 and 76,492.40 is: 114,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,719.60 : 203,676.60 = 76,492.40 : x
  2. Step 2: Convert to fraction form
    135,719.60/203,676.60 = 76,492.40/x
  3. Step 3: Cross multiply
    135,719.60x = 203,676.60 × 76,492.40
  4. Step 4: Simplify right side
    135,719.60x = 15,579,711,957.84
  5. Step 5: Solve for x
    x = 15,579,711,957.84/135,719.60
  6. Step 6: Final answer
    x = 114,793.38

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