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Finding the Fourth Proportional to 78,813.06, 108,762.33 and 43,003.89

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Solution

The fourth proportional to 78,813.06, 108,762.33 and 43,003.89 is: 59,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,813.06 : 108,762.33 = 43,003.89 : x
  2. Step 2: Convert to fraction form
    78,813.06/108,762.33 = 43,003.89/x
  3. Step 3: Cross multiply
    78,813.06x = 108,762.33 × 43,003.89
  4. Step 4: Simplify right side
    78,813.06x = 4,677,203,275.46
  5. Step 5: Solve for x
    x = 4,677,203,275.46/78,813.06
  6. Step 6: Final answer
    x = 59,345.54

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