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Finding the Fourth Proportional to 88,137,791.80, 132,206,687.70 and 53,649,676.60

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Solution

The fourth proportional to 88,137,791.80, 132,206,687.70 and 53,649,676.60 is: 80,474,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137,791.80 : 132,206,687.70 = 53,649,676.60 : x
  2. Step 2: Convert to fraction form
    88,137,791.80/132,206,687.70 = 53,649,676.60/x
  3. Step 3: Cross multiply
    88,137,791.80x = 132,206,687.70 × 53,649,676.60
  4. Step 4: Simplify right side
    88,137,791.80x = 7,092,846,039,462,198
  5. Step 5: Solve for x
    x = 7,092,846,039,462,198/88,137,791.80
  6. Step 6: Final answer
    x = 80,474,514.90

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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.