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Finding the Fourth Proportional to 118,958.58, 164,120.22 and 67,934.52

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Solution

The fourth proportional to 118,958.58, 164,120.22 and 67,934.52 is: 93,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,958.58 : 164,120.22 = 67,934.52 : x
  2. Step 2: Convert to fraction form
    118,958.58/164,120.22 = 67,934.52/x
  3. Step 3: Cross multiply
    118,958.58x = 164,120.22 × 67,934.52
  4. Step 4: Simplify right side
    118,958.58x = 11,149,428,367.99
  5. Step 5: Solve for x
    x = 11,149,428,367.99/118,958.58
  6. Step 6: Final answer
    x = 93,725.30

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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.