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Finding the Fourth Proportional to 322,001.01, 483,222.97 and 111,638.95

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Solution

The fourth proportional to 322,001.01, 483,222.97 and 111,638.95 is: 167,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,001.01 : 483,222.97 = 111,638.95 : x
  2. Step 2: Convert to fraction form
    322,001.01/483,222.97 = 111,638.95/x
  3. Step 3: Cross multiply
    322,001.01x = 483,222.97 × 111,638.95
  4. Step 4: Simplify right side
    322,001.01x = 53,946,504,986.68
  5. Step 5: Solve for x
    x = 53,946,504,986.68/322,001.01
  6. Step 6: Final answer
    x = 167,535.20

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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.