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Finding the Fourth Proportional to 50,253,670.05, 70,211,649 and 50,253,670.05

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Solution

The fourth proportional to 50,253,670.05, 70,211,649 and 50,253,670.05 is: 70,211,649

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,253,670.05 : 70,211,649 = 50,253,670.05 : x
  2. Step 2: Convert to fraction form
    50,253,670.05/70,211,649 = 50,253,670.05/x
  3. Step 3: Cross multiply
    50,253,670.05x = 70,211,649 × 50,253,670.05
  4. Step 4: Simplify right side
    50,253,670.05x = 3,528,393,042,512,412
  5. Step 5: Solve for x
    x = 3,528,393,042,512,412/50,253,670.05
  6. Step 6: Final answer
    x = 70,211,649

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.