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Finding the Fourth Proportional to 151,872.30, 227,808.45 and 85,314.60

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Solution

The fourth proportional to 151,872.30, 227,808.45 and 85,314.60 is: 127,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,872.30 : 227,808.45 = 85,314.60 : x
  2. Step 2: Convert to fraction form
    151,872.30/227,808.45 = 85,314.60/x
  3. Step 3: Cross multiply
    151,872.30x = 227,808.45 × 85,314.60
  4. Step 4: Simplify right side
    151,872.30x = 19,435,386,788.37
  5. Step 5: Solve for x
    x = 19,435,386,788.37/151,872.30
  6. Step 6: Final answer
    x = 127,971.90

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