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Finding the Fourth Proportional to 84,133.83, 126,201.85 and 27,973.94

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Solution

The fourth proportional to 84,133.83, 126,201.85 and 27,973.94 is: 41,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,133.83 : 126,201.85 = 27,973.94 : x
  2. Step 2: Convert to fraction form
    84,133.83/126,201.85 = 27,973.94/x
  3. Step 3: Cross multiply
    84,133.83x = 126,201.85 × 27,973.94
  4. Step 4: Simplify right side
    84,133.83x = 3,530,362,988.73
  5. Step 5: Solve for x
    x = 3,530,362,988.73/84,133.83
  6. Step 6: Final answer
    x = 41,961.28

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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.