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Finding the Fourth Proportional to 199,624.33, 275,485.75 and 108,984.12

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Solution

The fourth proportional to 199,624.33, 275,485.75 and 108,984.12 is: 150,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624.33 : 275,485.75 = 108,984.12 : x
  2. Step 2: Convert to fraction form
    199,624.33/275,485.75 = 108,984.12/x
  3. Step 3: Cross multiply
    199,624.33x = 275,485.75 × 108,984.12
  4. Step 4: Simplify right side
    199,624.33x = 30,023,570,730.76
  5. Step 5: Solve for x
    x = 30,023,570,730.76/199,624.33
  6. Step 6: Final answer
    x = 150,400.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.