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Finding the Fourth Proportional to 156,846.93, 216,448.36 and 85,226.96

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Solution

The fourth proportional to 156,846.93, 216,448.36 and 85,226.96 is: 117,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,846.93 : 216,448.36 = 85,226.96 : x
  2. Step 2: Convert to fraction form
    156,846.93/216,448.36 = 85,226.96/x
  3. Step 3: Cross multiply
    156,846.93x = 216,448.36 × 85,226.96
  4. Step 4: Simplify right side
    156,846.93x = 18,447,234,752.53
  5. Step 5: Solve for x
    x = 18,447,234,752.53/156,846.93
  6. Step 6: Final answer
    x = 117,612.98

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