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Finding the Fourth Proportional to 67,080.78, 92,571.41 and 36,868.04

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Solution

The fourth proportional to 67,080.78, 92,571.41 and 36,868.04 is: 50,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.78 : 92,571.41 = 36,868.04 : x
  2. Step 2: Convert to fraction form
    67,080.78/92,571.41 = 36,868.04/x
  3. Step 3: Cross multiply
    67,080.78x = 92,571.41 × 36,868.04
  4. Step 4: Simplify right side
    67,080.78x = 3,412,926,446.74
  5. Step 5: Solve for x
    x = 3,412,926,446.74/67,080.78
  6. Step 6: Final answer
    x = 50,877.86

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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.