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Finding the Fourth Proportional to 127,608.90, 191,272.32 and 52,687.74

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Solution

The fourth proportional to 127,608.90, 191,272.32 and 52,687.74 is: 78,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,608.90 : 191,272.32 = 52,687.74 : x
  2. Step 2: Convert to fraction form
    127,608.90/191,272.32 = 52,687.74/x
  3. Step 3: Cross multiply
    127,608.90x = 191,272.32 × 52,687.74
  4. Step 4: Simplify right side
    127,608.90x = 10,077,706,265.36
  5. Step 5: Solve for x
    x = 10,077,706,265.36/127,608.90
  6. Step 6: Final answer
    x = 78,973.38

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