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Finding the Fourth Proportional to 146,749.80, 219,930.30 and 130,031.40

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Solution

The fourth proportional to 146,749.80, 219,930.30 and 130,031.40 is: 194,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.80 : 219,930.30 = 130,031.40 : x
  2. Step 2: Convert to fraction form
    146,749.80/219,930.30 = 130,031.40/x
  3. Step 3: Cross multiply
    146,749.80x = 219,930.30 × 130,031.40
  4. Step 4: Simplify right side
    146,749.80x = 28,597,844,811.42
  5. Step 5: Solve for x
    x = 28,597,844,811.42/146,749.80
  6. Step 6: Final answer
    x = 194,874.85

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