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Finding the Fourth Proportional to 66,489,185.94, 99,795,086.96 and 33,722,751.39

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Solution

The fourth proportional to 66,489,185.94, 99,795,086.96 and 33,722,751.39 is: 50,615,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,489,185.94 : 99,795,086.96 = 33,722,751.39 : x
  2. Step 2: Convert to fraction form
    66,489,185.94/99,795,086.96 = 33,722,751.39/x
  3. Step 3: Cross multiply
    66,489,185.94x = 99,795,086.96 × 33,722,751.39
  4. Step 4: Simplify right side
    66,489,185.94x = 3,365,364,907,326,897
  5. Step 5: Solve for x
    x = 3,365,364,907,326,897/66,489,185.94
  6. Step 6: Final answer
    x = 50,615,222.01

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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.