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Finding the Fourth Proportional to 70,336.26, 97,075.31 and 40,131.41

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Solution

The fourth proportional to 70,336.26, 97,075.31 and 40,131.41 is: 55,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.26 : 97,075.31 = 40,131.41 : x
  2. Step 2: Convert to fraction form
    70,336.26/97,075.31 = 40,131.41/x
  3. Step 3: Cross multiply
    70,336.26x = 97,075.31 × 40,131.41
  4. Step 4: Simplify right side
    70,336.26x = 3,895,768,380.45
  5. Step 5: Solve for x
    x = 3,895,768,380.45/70,336.26
  6. Step 6: Final answer
    x = 55,387.77

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