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Finding the Fourth Proportional to 200,543.10, 300,717.45 and 111,702.30

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Solution

The fourth proportional to 200,543.10, 300,717.45 and 111,702.30 is: 167,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,543.10 : 300,717.45 = 111,702.30 : x
  2. Step 2: Convert to fraction form
    200,543.10/300,717.45 = 111,702.30/x
  3. Step 3: Cross multiply
    200,543.10x = 300,717.45 × 111,702.30
  4. Step 4: Simplify right side
    200,543.10x = 33,590,830,815.14
  5. Step 5: Solve for x
    x = 33,590,830,815.14/200,543.10
  6. Step 6: Final answer
    x = 167,499.31

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