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Finding the Fourth Proportional to 235,846,267.80, 353,769,401.70 and 82,476,331.80

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Solution

The fourth proportional to 235,846,267.80, 353,769,401.70 and 82,476,331.80 is: 123,714,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,846,267.80 : 353,769,401.70 = 82,476,331.80 : x
  2. Step 2: Convert to fraction form
    235,846,267.80/353,769,401.70 = 82,476,331.80/x
  3. Step 3: Cross multiply
    235,846,267.80x = 353,769,401.70 × 82,476,331.80
  4. Step 4: Simplify right side
    235,846,267.80x = 29,177,602,555,296,684
  5. Step 5: Solve for x
    x = 29,177,602,555,296,684/235,846,267.80
  6. Step 6: Final answer
    x = 123,714,497.70

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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.