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Finding the Fourth Proportional to 104,006.40, 155,750.40 and 83,270.40

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Solution

The fourth proportional to 104,006.40, 155,750.40 and 83,270.40 is: 124,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.40 : 155,750.40 = 83,270.40 : x
  2. Step 2: Convert to fraction form
    104,006.40/155,750.40 = 83,270.40/x
  3. Step 3: Cross multiply
    104,006.40x = 155,750.40 × 83,270.40
  4. Step 4: Simplify right side
    104,006.40x = 12,969,398,108.16
  5. Step 5: Solve for x
    x = 12,969,398,108.16/104,006.40
  6. Step 6: Final answer
    x = 124,698.08

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