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Finding the Fourth Proportional to 78,514.43, 108,346.76 and 42,704.46

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Solution

The fourth proportional to 78,514.43, 108,346.76 and 42,704.46 is: 58,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,514.43 : 108,346.76 = 42,704.46 : x
  2. Step 2: Convert to fraction form
    78,514.43/108,346.76 = 42,704.46/x
  3. Step 3: Cross multiply
    78,514.43x = 108,346.76 × 42,704.46
  4. Step 4: Simplify right side
    78,514.43x = 4,626,889,878.55
  5. Step 5: Solve for x
    x = 4,626,889,878.55/78,514.43
  6. Step 6: Final answer
    x = 58,930.44

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