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Finding the Fourth Proportional to 84,671.66, 116,793.33 and 54,404.96

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Solution

The fourth proportional to 84,671.66, 116,793.33 and 54,404.96 is: 75,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,671.66 : 116,793.33 = 54,404.96 : x
  2. Step 2: Convert to fraction form
    84,671.66/116,793.33 = 54,404.96/x
  3. Step 3: Cross multiply
    84,671.66x = 116,793.33 × 54,404.96
  4. Step 4: Simplify right side
    84,671.66x = 6,354,135,862.95
  5. Step 5: Solve for x
    x = 6,354,135,862.95/84,671.66
  6. Step 6: Final answer
    x = 75,044.43

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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.