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Finding the Fourth Proportional to 106,493.31, 146,955.83 and 61,139.39

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Solution

The fourth proportional to 106,493.31, 146,955.83 and 61,139.39 is: 84,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,493.31 : 146,955.83 = 61,139.39 : x
  2. Step 2: Convert to fraction form
    106,493.31/146,955.83 = 61,139.39/x
  3. Step 3: Cross multiply
    106,493.31x = 146,955.83 × 61,139.39
  4. Step 4: Simplify right side
    106,493.31x = 8,984,788,762.67
  5. Step 5: Solve for x
    x = 8,984,788,762.67/106,493.31
  6. Step 6: Final answer
    x = 84,369.51

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