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Finding the Fourth Proportional to 71,998.88, 107,994.27 and 22,078.83

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Solution

The fourth proportional to 71,998.88, 107,994.27 and 22,078.83 is: 33,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,998.88 : 107,994.27 = 22,078.83 : x
  2. Step 2: Convert to fraction form
    71,998.88/107,994.27 = 22,078.83/x
  3. Step 3: Cross multiply
    71,998.88x = 107,994.27 × 22,078.83
  4. Step 4: Simplify right side
    71,998.88x = 2,384,387,308.97
  5. Step 5: Solve for x
    x = 2,384,387,308.97/71,998.88
  6. Step 6: Final answer
    x = 33,117.01

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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.