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Finding the Fourth Proportional to 153,903.60, 230,855.40 and 83,919.60

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Solution

The fourth proportional to 153,903.60, 230,855.40 and 83,919.60 is: 125,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,903.60 : 230,855.40 = 83,919.60 : x
  2. Step 2: Convert to fraction form
    153,903.60/230,855.40 = 83,919.60/x
  3. Step 3: Cross multiply
    153,903.60x = 230,855.40 × 83,919.60
  4. Step 4: Simplify right side
    153,903.60x = 19,373,292,825.84
  5. Step 5: Solve for x
    x = 19,373,292,825.84/153,903.60
  6. Step 6: Final answer
    x = 125,879.40

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