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Finding the Fourth Proportional to 188,431.40, 282,560.70 and 83,196.20

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Solution

The fourth proportional to 188,431.40, 282,560.70 and 83,196.20 is: 124,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,431.40 : 282,560.70 = 83,196.20 : x
  2. Step 2: Convert to fraction form
    188,431.40/282,560.70 = 83,196.20/x
  3. Step 3: Cross multiply
    188,431.40x = 282,560.70 × 83,196.20
  4. Step 4: Simplify right side
    188,431.40x = 23,507,976,509.34
  5. Step 5: Solve for x
    x = 23,507,976,509.34/188,431.40
  6. Step 6: Final answer
    x = 124,756.15

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