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Finding the Fourth Proportional to 57,672,005.10, 80,589,641.70 and 57,672,005.10

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Solution

The fourth proportional to 57,672,005.10, 80,589,641.70 and 57,672,005.10 is: 80,589,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,005.10 : 80,589,641.70 = 57,672,005.10 : x
  2. Step 2: Convert to fraction form
    57,672,005.10/80,589,641.70 = 57,672,005.10/x
  3. Step 3: Cross multiply
    57,672,005.10x = 80,589,641.70 × 57,672,005.10
  4. Step 4: Simplify right side
    57,672,005.10x = 4,647,766,227,129,573
  5. Step 5: Solve for x
    x = 4,647,766,227,129,573/57,672,005.10
  6. Step 6: Final answer
    x = 80,589,641.70

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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.