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Finding the Fourth Proportional to 84,083.88, 126,104.34 and 24,905.72

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Solution

The fourth proportional to 84,083.88, 126,104.34 and 24,905.72 is: 37,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,083.88 : 126,104.34 = 24,905.72 : x
  2. Step 2: Convert to fraction form
    84,083.88/126,104.34 = 24,905.72/x
  3. Step 3: Cross multiply
    84,083.88x = 126,104.34 × 24,905.72
  4. Step 4: Simplify right side
    84,083.88x = 3,140,718,752.30
  5. Step 5: Solve for x
    x = 3,140,718,752.30/84,083.88
  6. Step 6: Final answer
    x = 37,352.21

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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.