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Finding the Fourth Proportional to 157,112.22, 216,811.32 and 85,492.44

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Solution

The fourth proportional to 157,112.22, 216,811.32 and 85,492.44 is: 117,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112.22 : 216,811.32 = 85,492.44 : x
  2. Step 2: Convert to fraction form
    157,112.22/216,811.32 = 85,492.44/x
  3. Step 3: Cross multiply
    157,112.22x = 216,811.32 × 85,492.44
  4. Step 4: Simplify right side
    157,112.22x = 18,535,728,766.42
  5. Step 5: Solve for x
    x = 18,535,728,766.42/157,112.22
  6. Step 6: Final answer
    x = 117,977.64

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