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Finding the Fourth Proportional to 322,003.01, 483,225.97 and 111,640.95

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Solution

The fourth proportional to 322,003.01, 483,225.97 and 111,640.95 is: 167,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,003.01 : 483,225.97 = 111,640.95 : x
  2. Step 2: Convert to fraction form
    322,003.01/483,225.97 = 111,640.95/x
  3. Step 3: Cross multiply
    322,003.01x = 483,225.97 × 111,640.95
  4. Step 4: Simplify right side
    322,003.01x = 53,947,806,355.47
  5. Step 5: Solve for x
    x = 53,947,806,355.47/322,003.01
  6. Step 6: Final answer
    x = 167,538.21

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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.