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Finding the Fourth Proportional to 97,283.88, 145,481.13 and 70,719.12

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Solution

The fourth proportional to 97,283.88, 145,481.13 and 70,719.12 is: 105,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,283.88 : 145,481.13 = 70,719.12 : x
  2. Step 2: Convert to fraction form
    97,283.88/145,481.13 = 70,719.12/x
  3. Step 3: Cross multiply
    97,283.88x = 145,481.13 × 70,719.12
  4. Step 4: Simplify right side
    97,283.88x = 10,288,297,490.21
  5. Step 5: Solve for x
    x = 10,288,297,490.21/97,283.88
  6. Step 6: Final answer
    x = 105,755.42

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