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Finding the Fourth Proportional to 122,513.00, 169,124.76 and 81,744.89

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Solution

The fourth proportional to 122,513.00, 169,124.76 and 81,744.89 is: 112,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,513.00 : 169,124.76 = 81,744.89 : x
  2. Step 2: Convert to fraction form
    122,513.00/169,124.76 = 81,744.89/x
  3. Step 3: Cross multiply
    122,513.00x = 169,124.76 × 81,744.89
  4. Step 4: Simplify right side
    122,513.00x = 13,825,084,056.85
  5. Step 5: Solve for x
    x = 13,825,084,056.85/122,513.00
  6. Step 6: Final answer
    x = 112,845.86

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