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Finding the Fourth Proportional to 132,830.73, 183,304.78 and 72,401.18

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Solution

The fourth proportional to 132,830.73, 183,304.78 and 72,401.18 is: 99,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,830.73 : 183,304.78 = 72,401.18 : x
  2. Step 2: Convert to fraction form
    132,830.73/183,304.78 = 72,401.18/x
  3. Step 3: Cross multiply
    132,830.73x = 183,304.78 × 72,401.18
  4. Step 4: Simplify right side
    132,830.73x = 13,271,482,371.64
  5. Step 5: Solve for x
    x = 13,271,482,371.64/132,830.73
  6. Step 6: Final answer
    x = 99,912.74

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