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Finding the Fourth Proportional to 120,957.44, 166,926.83 and 67,247.96

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Solution

The fourth proportional to 120,957.44, 166,926.83 and 67,247.96 is: 92,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,957.44 : 166,926.83 = 67,247.96 : x
  2. Step 2: Convert to fraction form
    120,957.44/166,926.83 = 67,247.96/x
  3. Step 3: Cross multiply
    120,957.44x = 166,926.83 × 67,247.96
  4. Step 4: Simplify right side
    120,957.44x = 11,225,487,615.89
  5. Step 5: Solve for x
    x = 11,225,487,615.89/120,957.44
  6. Step 6: Final answer
    x = 92,805.27

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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.