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Finding the Fourth Proportional to 119,181.71, 178,772.40 and 30,435.28

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Solution

The fourth proportional to 119,181.71, 178,772.40 and 30,435.28 is: 45,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.71 : 178,772.40 = 30,435.28 : x
  2. Step 2: Convert to fraction form
    119,181.71/178,772.40 = 30,435.28/x
  3. Step 3: Cross multiply
    119,181.71x = 178,772.40 × 30,435.28
  4. Step 4: Simplify right side
    119,181.71x = 5,440,987,603.34
  5. Step 5: Solve for x
    x = 5,440,987,603.34/119,181.71
  6. Step 6: Final answer
    x = 45,652.87

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