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Finding the Fourth Proportional to 45,067.70, 67,521.90 and 40,180.70

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Solution

The fourth proportional to 45,067.70, 67,521.90 and 40,180.70 is: 60,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,067.70 : 67,521.90 = 40,180.70 : x
  2. Step 2: Convert to fraction form
    45,067.70/67,521.90 = 40,180.70/x
  3. Step 3: Cross multiply
    45,067.70x = 67,521.90 × 40,180.70
  4. Step 4: Simplify right side
    45,067.70x = 2,713,077,207.33
  5. Step 5: Solve for x
    x = 2,713,077,207.33/45,067.70
  6. Step 6: Final answer
    x = 60,200.04

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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.