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Finding the Fourth Proportional to 177,977.40, 267,117.30 and 72,871.80

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Solution

The fourth proportional to 177,977.40, 267,117.30 and 72,871.80 is: 109,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,977.40 : 267,117.30 = 72,871.80 : x
  2. Step 2: Convert to fraction form
    177,977.40/267,117.30 = 72,871.80/x
  3. Step 3: Cross multiply
    177,977.40x = 267,117.30 × 72,871.80
  4. Step 4: Simplify right side
    177,977.40x = 19,465,318,462.14
  5. Step 5: Solve for x
    x = 19,465,318,462.14/177,977.40
  6. Step 6: Final answer
    x = 109,369.61

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