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Finding the Fourth Proportional to 126,848.70, 190,135.71 and 82,507.14

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Solution

The fourth proportional to 126,848.70, 190,135.71 and 82,507.14 is: 123,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,848.70 : 190,135.71 = 82,507.14 : x
  2. Step 2: Convert to fraction form
    126,848.70/190,135.71 = 82,507.14/x
  3. Step 3: Cross multiply
    126,848.70x = 190,135.71 × 82,507.14
  4. Step 4: Simplify right side
    126,848.70x = 15,687,553,643.97
  5. Step 5: Solve for x
    x = 15,687,553,643.97/126,848.70
  6. Step 6: Final answer
    x = 123,671.38

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