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Finding the Fourth Proportional to 130,212.99, 179,690.94 and 72,853.11

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Solution

The fourth proportional to 130,212.99, 179,690.94 and 72,853.11 is: 100,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212.99 : 179,690.94 = 72,853.11 : x
  2. Step 2: Convert to fraction form
    130,212.99/179,690.94 = 72,853.11/x
  3. Step 3: Cross multiply
    130,212.99x = 179,690.94 × 72,853.11
  4. Step 4: Simplify right side
    130,212.99x = 13,091,043,817.82
  5. Step 5: Solve for x
    x = 13,091,043,817.82/130,212.99
  6. Step 6: Final answer
    x = 100,535.62

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