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Finding the Fourth Proportional to 70,796.42, 97,698.32 and 38,964.64

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Solution

The fourth proportional to 70,796.42, 97,698.32 and 38,964.64 is: 53,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.42 : 97,698.32 = 38,964.64 : x
  2. Step 2: Convert to fraction form
    70,796.42/97,698.32 = 38,964.64/x
  3. Step 3: Cross multiply
    70,796.42x = 97,698.32 × 38,964.64
  4. Step 4: Simplify right side
    70,796.42x = 3,806,779,184.09
  5. Step 5: Solve for x
    x = 3,806,779,184.09/70,796.42
  6. Step 6: Final answer
    x = 53,770.79

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