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Finding the Fourth Proportional to 266,702.16, 400,140.84 and 109,063.20

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Solution

The fourth proportional to 266,702.16, 400,140.84 and 109,063.20 is: 163,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,702.16 : 400,140.84 = 109,063.20 : x
  2. Step 2: Convert to fraction form
    266,702.16/400,140.84 = 109,063.20/x
  3. Step 3: Cross multiply
    266,702.16x = 400,140.84 × 109,063.20
  4. Step 4: Simplify right side
    266,702.16x = 43,640,640,461.09
  5. Step 5: Solve for x
    x = 43,640,640,461.09/266,702.16
  6. Step 6: Final answer
    x = 163,630.62

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