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Finding the Fourth Proportional to 127,501.80, 191,252.70 and 72,205.80

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Solution

The fourth proportional to 127,501.80, 191,252.70 and 72,205.80 is: 108,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,501.80 : 191,252.70 = 72,205.80 : x
  2. Step 2: Convert to fraction form
    127,501.80/191,252.70 = 72,205.80/x
  3. Step 3: Cross multiply
    127,501.80x = 191,252.70 × 72,205.80
  4. Step 4: Simplify right side
    127,501.80x = 13,809,554,205.66
  5. Step 5: Solve for x
    x = 13,809,554,205.66/127,501.80
  6. Step 6: Final answer
    x = 108,308.70

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