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Finding the Fourth Proportional to 75,460.28, 113,190.30 and 20,056.28

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Solution

The fourth proportional to 75,460.28, 113,190.30 and 20,056.28 is: 30,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.28 : 113,190.30 = 20,056.28 : x
  2. Step 2: Convert to fraction form
    75,460.28/113,190.30 = 20,056.28/x
  3. Step 3: Cross multiply
    75,460.28x = 113,190.30 × 20,056.28
  4. Step 4: Simplify right side
    75,460.28x = 2,270,176,350.08
  5. Step 5: Solve for x
    x = 2,270,176,350.08/75,460.28
  6. Step 6: Final answer
    x = 30,084.39

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