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Finding the Fourth Proportional to 84,048.52, 126,091.47 and 36,671.29

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Solution

The fourth proportional to 84,048.52, 126,091.47 and 36,671.29 is: 55,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,048.52 : 126,091.47 = 36,671.29 : x
  2. Step 2: Convert to fraction form
    84,048.52/126,091.47 = 36,671.29/x
  3. Step 3: Cross multiply
    84,048.52x = 126,091.47 × 36,671.29
  4. Step 4: Simplify right side
    84,048.52x = 4,623,936,862.90
  5. Step 5: Solve for x
    x = 4,623,936,862.90/84,048.52
  6. Step 6: Final answer
    x = 55,015.09

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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.