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Finding the Fourth Proportional to 112,104.16, 167,969.40 and 78,764.53

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Solution

The fourth proportional to 112,104.16, 167,969.40 and 78,764.53 is: 118,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.16 : 167,969.40 = 78,764.53 : x
  2. Step 2: Convert to fraction form
    112,104.16/167,969.40 = 78,764.53/x
  3. Step 3: Cross multiply
    112,104.16x = 167,969.40 × 78,764.53
  4. Step 4: Simplify right side
    112,104.16x = 13,230,030,871.48
  5. Step 5: Solve for x
    x = 13,230,030,871.48/112,104.16
  6. Step 6: Final answer
    x = 118,015.53

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