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Finding the Fourth Proportional to 127,047.12, 175,322.16 and 72,601.76

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Solution

The fourth proportional to 127,047.12, 175,322.16 and 72,601.76 is: 100,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,047.12 : 175,322.16 = 72,601.76 : x
  2. Step 2: Convert to fraction form
    127,047.12/175,322.16 = 72,601.76/x
  3. Step 3: Cross multiply
    127,047.12x = 175,322.16 × 72,601.76
  4. Step 4: Simplify right side
    127,047.12x = 12,728,697,383.00
  5. Step 5: Solve for x
    x = 12,728,697,383.00/127,047.12
  6. Step 6: Final answer
    x = 100,188.79

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