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Finding the Fourth Proportional to 183,720.82, 275,473.97 and 71,269.64

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Solution

The fourth proportional to 183,720.82, 275,473.97 and 71,269.64 is: 106,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,720.82 : 275,473.97 = 71,269.64 : x
  2. Step 2: Convert to fraction form
    183,720.82/275,473.97 = 71,269.64/x
  3. Step 3: Cross multiply
    183,720.82x = 275,473.97 × 71,269.64
  4. Step 4: Simplify right side
    183,720.82x = 19,632,930,671.27
  5. Step 5: Solve for x
    x = 19,632,930,671.27/183,720.82
  6. Step 6: Final answer
    x = 106,862.85

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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.