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Finding the Fourth Proportional to 78,514.05, 108,344.05 and 42,703.29

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Solution

The fourth proportional to 78,514.05, 108,344.05 and 42,703.29 is: 58,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,514.05 : 108,344.05 = 42,703.29 : x
  2. Step 2: Convert to fraction form
    78,514.05/108,344.05 = 42,703.29/x
  3. Step 3: Cross multiply
    78,514.05x = 108,344.05 × 42,703.29
  4. Step 4: Simplify right side
    78,514.05x = 4,626,647,520.37
  5. Step 5: Solve for x
    x = 4,626,647,520.37/78,514.05
  6. Step 6: Final answer
    x = 58,927.64

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