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Finding the Fourth Proportional to 67,157.67, 92,680.71 and 36,942.45

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Solution

The fourth proportional to 67,157.67, 92,680.71 and 36,942.45 is: 50,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157.67 : 92,680.71 = 36,942.45 : x
  2. Step 2: Convert to fraction form
    67,157.67/92,680.71 = 36,942.45/x
  3. Step 3: Cross multiply
    67,157.67x = 92,680.71 × 36,942.45
  4. Step 4: Simplify right side
    67,157.67x = 3,423,852,009.05
  5. Step 5: Solve for x
    x = 3,423,852,009.05/67,157.67
  6. Step 6: Final answer
    x = 50,982.29

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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.