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Finding the Fourth Proportional to 67,080.87, 92,567.11 and 36,865.54

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Solution

The fourth proportional to 67,080.87, 92,567.11 and 36,865.54 is: 50,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.87 : 92,567.11 = 36,865.54 : x
  2. Step 2: Convert to fraction form
    67,080.87/92,567.11 = 36,865.54/x
  3. Step 3: Cross multiply
    67,080.87x = 92,567.11 × 36,865.54
  4. Step 4: Simplify right side
    67,080.87x = 3,412,535,849.23
  5. Step 5: Solve for x
    x = 3,412,535,849.23/67,080.87
  6. Step 6: Final answer
    x = 50,871.97

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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.