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Finding the Fourth Proportional to 79,611.88, 109,865.32 and 45,619.68

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Solution

The fourth proportional to 79,611.88, 109,865.32 and 45,619.68 is: 62,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,611.88 : 109,865.32 = 45,619.68 : x
  2. Step 2: Convert to fraction form
    79,611.88/109,865.32 = 45,619.68/x
  3. Step 3: Cross multiply
    79,611.88x = 109,865.32 × 45,619.68
  4. Step 4: Simplify right side
    79,611.88x = 5,012,020,741.50
  5. Step 5: Solve for x
    x = 5,012,020,741.50/79,611.88
  6. Step 6: Final answer
    x = 62,955.69

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