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Finding the Fourth Proportional to 96,951.88, 133,805.55 and 54,509.50

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Solution

The fourth proportional to 96,951.88, 133,805.55 and 54,509.50 is: 75,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,951.88 : 133,805.55 = 54,509.50 : x
  2. Step 2: Convert to fraction form
    96,951.88/133,805.55 = 54,509.50/x
  3. Step 3: Cross multiply
    96,951.88x = 133,805.55 × 54,509.50
  4. Step 4: Simplify right side
    96,951.88x = 7,293,673,627.73
  5. Step 5: Solve for x
    x = 7,293,673,627.73/96,951.88
  6. Step 6: Final answer
    x = 75,229.83

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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.