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Finding the Fourth Proportional to 201,004.38, 301,223.09 and 111,087.58

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Solution

The fourth proportional to 201,004.38, 301,223.09 and 111,087.58 is: 166,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,004.38 : 301,223.09 = 111,087.58 : x
  2. Step 2: Convert to fraction form
    201,004.38/301,223.09 = 111,087.58/x
  3. Step 3: Cross multiply
    201,004.38x = 301,223.09 × 111,087.58
  4. Step 4: Simplify right side
    201,004.38x = 33,462,144,108.22
  5. Step 5: Solve for x
    x = 33,462,144,108.22/201,004.38
  6. Step 6: Final answer
    x = 166,474.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.