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Finding the Fourth Proportional to 54,766.80, 82,150.20 and 36,104.40

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Solution

The fourth proportional to 54,766.80, 82,150.20 and 36,104.40 is: 54,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,766.80 : 82,150.20 = 36,104.40 : x
  2. Step 2: Convert to fraction form
    54,766.80/82,150.20 = 36,104.40/x
  3. Step 3: Cross multiply
    54,766.80x = 82,150.20 × 36,104.40
  4. Step 4: Simplify right side
    54,766.80x = 2,965,983,680.88
  5. Step 5: Solve for x
    x = 2,965,983,680.88/54,766.80
  6. Step 6: Final answer
    x = 54,156.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.