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Finding the Fourth Proportional to 78,354.15, 108,131.19 and 44,362.05

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Solution

The fourth proportional to 78,354.15, 108,131.19 and 44,362.05 is: 61,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,354.15 : 108,131.19 = 44,362.05 : x
  2. Step 2: Convert to fraction form
    78,354.15/108,131.19 = 44,362.05/x
  3. Step 3: Cross multiply
    78,354.15x = 108,131.19 × 44,362.05
  4. Step 4: Simplify right side
    78,354.15x = 4,796,921,257.34
  5. Step 5: Solve for x
    x = 4,796,921,257.34/78,354.15
  6. Step 6: Final answer
    x = 61,221.02

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