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Finding the Fourth Proportional to 118,067.58, 162,937.07 and 67,079.38

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Solution

The fourth proportional to 118,067.58, 162,937.07 and 67,079.38 is: 92,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,067.58 : 162,937.07 = 67,079.38 : x
  2. Step 2: Convert to fraction form
    118,067.58/162,937.07 = 67,079.38/x
  3. Step 3: Cross multiply
    118,067.58x = 162,937.07 × 67,079.38
  4. Step 4: Simplify right side
    118,067.58x = 10,929,717,634.62
  5. Step 5: Solve for x
    x = 10,929,717,634.62/118,067.58
  6. Step 6: Final answer
    x = 92,571.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.