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Finding the Fourth Proportional to 127,992.30, 191,989.89 and 39,246.54

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Solution

The fourth proportional to 127,992.30, 191,989.89 and 39,246.54 is: 58,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,992.30 : 191,989.89 = 39,246.54 : x
  2. Step 2: Convert to fraction form
    127,992.30/191,989.89 = 39,246.54/x
  3. Step 3: Cross multiply
    127,992.30x = 191,989.89 × 39,246.54
  4. Step 4: Simplify right side
    127,992.30x = 7,534,938,897.48
  5. Step 5: Solve for x
    x = 7,534,938,897.48/127,992.30
  6. Step 6: Final answer
    x = 58,870.25

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