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Finding the Fourth Proportional to 130,471.35, 179,926.48 and 85,134.84

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Solution

The fourth proportional to 130,471.35, 179,926.48 and 85,134.84 is: 117,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,471.35 : 179,926.48 = 85,134.84 : x
  2. Step 2: Convert to fraction form
    130,471.35/179,926.48 = 85,134.84/x
  3. Step 3: Cross multiply
    130,471.35x = 179,926.48 × 85,134.84
  4. Step 4: Simplify right side
    130,471.35x = 15,318,012,086.56
  5. Step 5: Solve for x
    x = 15,318,012,086.56/130,471.35
  6. Step 6: Final answer
    x = 117,405.18

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