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Finding the Fourth Proportional to 214,905.70, 322,702.80 and 170,898.40

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Solution

The fourth proportional to 214,905.70, 322,702.80 and 170,898.40 is: 256,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,905.70 : 322,702.80 = 170,898.40 : x
  2. Step 2: Convert to fraction form
    214,905.70/322,702.80 = 170,898.40/x
  3. Step 3: Cross multiply
    214,905.70x = 322,702.80 × 170,898.40
  4. Step 4: Simplify right side
    214,905.70x = 55,149,392,195.52
  5. Step 5: Solve for x
    x = 55,149,392,195.52/214,905.70
  6. Step 6: Final answer
    x = 256,621.36

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