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Finding the Fourth Proportional to 71,770.73, 98,940.97 and 50,483.93

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Solution

The fourth proportional to 71,770.73, 98,940.97 and 50,483.93 is: 69,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,770.73 : 98,940.97 = 50,483.93 : x
  2. Step 2: Convert to fraction form
    71,770.73/98,940.97 = 50,483.93/x
  3. Step 3: Cross multiply
    71,770.73x = 98,940.97 × 50,483.93
  4. Step 4: Simplify right side
    71,770.73x = 4,994,929,003.61
  5. Step 5: Solve for x
    x = 4,994,929,003.61/71,770.73
  6. Step 6: Final answer
    x = 69,595.63

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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.