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Finding the Fourth Proportional to 83,079.60, 124,619.40 and 73,894.20

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Solution

The fourth proportional to 83,079.60, 124,619.40 and 73,894.20 is: 110,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,079.60 : 124,619.40 = 73,894.20 : x
  2. Step 2: Convert to fraction form
    83,079.60/124,619.40 = 73,894.20/x
  3. Step 3: Cross multiply
    83,079.60x = 124,619.40 × 73,894.20
  4. Step 4: Simplify right side
    83,079.60x = 9,208,650,867.48
  5. Step 5: Solve for x
    x = 9,208,650,867.48/83,079.60
  6. Step 6: Final answer
    x = 110,841.30

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