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Finding the Fourth Proportional to 78,853.43, 108,820.31 and 43,045.35

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Solution

The fourth proportional to 78,853.43, 108,820.31 and 43,045.35 is: 59,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853.43 : 108,820.31 = 43,045.35 : x
  2. Step 2: Convert to fraction form
    78,853.43/108,820.31 = 43,045.35/x
  3. Step 3: Cross multiply
    78,853.43x = 108,820.31 × 43,045.35
  4. Step 4: Simplify right side
    78,853.43x = 4,684,208,331.06
  5. Step 5: Solve for x
    x = 4,684,208,331.06/78,853.43
  6. Step 6: Final answer
    x = 59,403.99

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