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Finding the Fourth Proportional to 133,335.97, 199,981.56 and 44,589.34

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Solution

The fourth proportional to 133,335.97, 199,981.56 and 44,589.34 is: 66,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,335.97 : 199,981.56 = 44,589.34 : x
  2. Step 2: Convert to fraction form
    133,335.97/199,981.56 = 44,589.34/x
  3. Step 3: Cross multiply
    133,335.97x = 199,981.56 × 44,589.34
  4. Step 4: Simplify right side
    133,335.97x = 8,917,044,814.05
  5. Step 5: Solve for x
    x = 8,917,044,814.05/133,335.97
  6. Step 6: Final answer
    x = 66,876.51

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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.