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Finding the Fourth Proportional to 121,033.40, 167,034.44 and 67,323.42

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Solution

The fourth proportional to 121,033.40, 167,034.44 and 67,323.42 is: 92,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,033.40 : 167,034.44 = 67,323.42 : x
  2. Step 2: Convert to fraction form
    121,033.40/167,034.44 = 67,323.42/x
  3. Step 3: Cross multiply
    121,033.40x = 167,034.44 × 67,323.42
  4. Step 4: Simplify right side
    121,033.40x = 11,245,329,926.89
  5. Step 5: Solve for x
    x = 11,245,329,926.89/121,033.40
  6. Step 6: Final answer
    x = 92,910.96

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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.