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Finding the Fourth Proportional to 85,168.80, 127,580.40 and 48,189.60

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Solution

The fourth proportional to 85,168.80, 127,580.40 and 48,189.60 is: 72,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168.80 : 127,580.40 = 48,189.60 : x
  2. Step 2: Convert to fraction form
    85,168.80/127,580.40 = 48,189.60/x
  3. Step 3: Cross multiply
    85,168.80x = 127,580.40 × 48,189.60
  4. Step 4: Simplify right side
    85,168.80x = 6,148,048,443.84
  5. Step 5: Solve for x
    x = 6,148,048,443.84/85,168.80
  6. Step 6: Final answer
    x = 72,186.63

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