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Finding the Fourth Proportional to 88,067,998.80, 132,101,998.20 and 80,131,813.20

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Solution

The fourth proportional to 88,067,998.80, 132,101,998.20 and 80,131,813.20 is: 120,197,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,067,998.80 : 132,101,998.20 = 80,131,813.20 : x
  2. Step 2: Convert to fraction form
    88,067,998.80/132,101,998.20 = 80,131,813.20/x
  3. Step 3: Cross multiply
    88,067,998.80x = 132,101,998.20 × 80,131,813.20
  4. Step 4: Simplify right side
    88,067,998.80x = 10,585,572,643,109,136
  5. Step 5: Solve for x
    x = 10,585,572,643,109,136/88,067,998.80
  6. Step 6: Final answer
    x = 120,197,719.80

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1.5x scale

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.