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Finding the Fourth Proportional to 70,901.28, 106,352.28 and 18,307.14

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Solution

The fourth proportional to 70,901.28, 106,352.28 and 18,307.14 is: 27,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,901.28 : 106,352.28 = 18,307.14 : x
  2. Step 2: Convert to fraction form
    70,901.28/106,352.28 = 18,307.14/x
  3. Step 3: Cross multiply
    70,901.28x = 106,352.28 × 18,307.14
  4. Step 4: Simplify right side
    70,901.28x = 1,947,006,079.28
  5. Step 5: Solve for x
    x = 1,947,006,079.28/70,901.28
  6. Step 6: Final answer
    x = 27,460.80

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