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Finding the Fourth Proportional to 69,857,999.70, 104,786,999.55 and 24,415,055.70

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Solution

The fourth proportional to 69,857,999.70, 104,786,999.55 and 24,415,055.70 is: 36,622,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857,999.70 : 104,786,999.55 = 24,415,055.70 : x
  2. Step 2: Convert to fraction form
    69,857,999.70/104,786,999.55 = 24,415,055.70/x
  3. Step 3: Cross multiply
    69,857,999.70x = 104,786,999.55 × 24,415,055.70
  4. Step 4: Simplify right side
    69,857,999.70x = 2,558,380,430,649,125
  5. Step 5: Solve for x
    x = 2,558,380,430,649,125/69,857,999.70
  6. Step 6: Final answer
    x = 36,622,583.55

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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.