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Finding the Fourth Proportional to 201,201.40, 301,610.10 and 74,807.80

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Solution

The fourth proportional to 201,201.40, 301,610.10 and 74,807.80 is: 112,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,201.40 : 301,610.10 = 74,807.80 : x
  2. Step 2: Convert to fraction form
    201,201.40/301,610.10 = 74,807.80/x
  3. Step 3: Cross multiply
    201,201.40x = 301,610.10 × 74,807.80
  4. Step 4: Simplify right side
    201,201.40x = 22,562,788,038.78
  5. Step 5: Solve for x
    x = 22,562,788,038.78/201,201.40
  6. Step 6: Final answer
    x = 112,140.31

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