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Finding the Fourth Proportional to 78,404.95, 108,198.97 and 42,595

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Solution

The fourth proportional to 78,404.95, 108,198.97 and 42,595 is: 58,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,404.95 : 108,198.97 = 42,595 : x
  2. Step 2: Convert to fraction form
    78,404.95/108,198.97 = 42,595/x
  3. Step 3: Cross multiply
    78,404.95x = 108,198.97 × 42,595
  4. Step 4: Simplify right side
    78,404.95x = 4,608,735,127.15
  5. Step 5: Solve for x
    x = 4,608,735,127.15/78,404.95
  6. Step 6: Final answer
    x = 58,781.18

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