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Finding the Fourth Proportional to 178,071.20, 267,020.40 and 99,101.60

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Solution

The fourth proportional to 178,071.20, 267,020.40 and 99,101.60 is: 148,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071.20 : 267,020.40 = 99,101.60 : x
  2. Step 2: Convert to fraction form
    178,071.20/267,020.40 = 99,101.60/x
  3. Step 3: Cross multiply
    178,071.20x = 267,020.40 × 99,101.60
  4. Step 4: Simplify right side
    178,071.20x = 26,462,148,872.64
  5. Step 5: Solve for x
    x = 26,462,148,872.64/178,071.20
  6. Step 6: Final answer
    x = 148,604.32

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