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Finding the Fourth Proportional to 193,886.80, 290,830.20 and 127,531.60

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Solution

The fourth proportional to 193,886.80, 290,830.20 and 127,531.60 is: 191,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,886.80 : 290,830.20 = 127,531.60 : x
  2. Step 2: Convert to fraction form
    193,886.80/290,830.20 = 127,531.60/x
  3. Step 3: Cross multiply
    193,886.80x = 290,830.20 × 127,531.60
  4. Step 4: Simplify right side
    193,886.80x = 37,090,040,734.32
  5. Step 5: Solve for x
    x = 37,090,040,734.32/193,886.80
  6. Step 6: Final answer
    x = 191,297.40

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