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Finding the Fourth Proportional to 199,573.04, 275,408.64 and 108,928.28

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Solution

The fourth proportional to 199,573.04, 275,408.64 and 108,928.28 is: 150,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,573.04 : 275,408.64 = 108,928.28 : x
  2. Step 2: Convert to fraction form
    199,573.04/275,408.64 = 108,928.28/x
  3. Step 3: Cross multiply
    199,573.04x = 275,408.64 × 108,928.28
  4. Step 4: Simplify right side
    199,573.04x = 29,999,789,452.34
  5. Step 5: Solve for x
    x = 29,999,789,452.34/199,573.04
  6. Step 6: Final answer
    x = 150,319.85

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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.