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Finding the Fourth Proportional to 78,403.23, 108,172.61 and 44,406.32

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Solution

The fourth proportional to 78,403.23, 108,172.61 and 44,406.32 is: 61,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,403.23 : 108,172.61 = 44,406.32 : x
  2. Step 2: Convert to fraction form
    78,403.23/108,172.61 = 44,406.32/x
  3. Step 3: Cross multiply
    78,403.23x = 108,172.61 × 44,406.32
  4. Step 4: Simplify right side
    78,403.23x = 4,803,546,772.00
  5. Step 5: Solve for x
    x = 4,803,546,772.00/78,403.23
  6. Step 6: Final answer
    x = 61,267.21

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