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Finding the Fourth Proportional to 73,998.90, 110,998.35 and 49,067.10

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Solution

The fourth proportional to 73,998.90, 110,998.35 and 49,067.10 is: 73,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,998.90 : 110,998.35 = 49,067.10 : x
  2. Step 2: Convert to fraction form
    73,998.90/110,998.35 = 49,067.10/x
  3. Step 3: Cross multiply
    73,998.90x = 110,998.35 × 49,067.10
  4. Step 4: Simplify right side
    73,998.90x = 5,446,367,139.29
  5. Step 5: Solve for x
    x = 5,446,367,139.29/73,998.90
  6. Step 6: Final answer
    x = 73,600.65

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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.