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Finding the Fourth Proportional to 56,383,234.80, 78,766,467.60 and 56,383,234.80

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Solution

The fourth proportional to 56,383,234.80, 78,766,467.60 and 56,383,234.80 is: 78,766,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383,234.80 : 78,766,467.60 = 56,383,234.80 : x
  2. Step 2: Convert to fraction form
    56,383,234.80/78,766,467.60 = 56,383,234.80/x
  3. Step 3: Cross multiply
    56,383,234.80x = 78,766,467.60 × 56,383,234.80
  4. Step 4: Simplify right side
    56,383,234.80x = 4,441,108,237,057,392
  5. Step 5: Solve for x
    x = 4,441,108,237,057,392/56,383,234.80
  6. Step 6: Final answer
    x = 78,766,467.60

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Double scale
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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.