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Finding the Fourth Proportional to 70,858.53, 97,782.93 and 40,661.46

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Solution

The fourth proportional to 70,858.53, 97,782.93 and 40,661.46 is: 56,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.53 : 97,782.93 = 40,661.46 : x
  2. Step 2: Convert to fraction form
    70,858.53/97,782.93 = 40,661.46/x
  3. Step 3: Cross multiply
    70,858.53x = 97,782.93 × 40,661.46
  4. Step 4: Simplify right side
    70,858.53x = 3,975,996,696.88
  5. Step 5: Solve for x
    x = 3,975,996,696.88/70,858.53
  6. Step 6: Final answer
    x = 56,111.76

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