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Finding the Fourth Proportional to 54,750.20, 82,125.30 and 48,845.30

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Solution

The fourth proportional to 54,750.20, 82,125.30 and 48,845.30 is: 73,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.20 : 82,125.30 = 48,845.30 : x
  2. Step 2: Convert to fraction form
    54,750.20/82,125.30 = 48,845.30/x
  3. Step 3: Cross multiply
    54,750.20x = 82,125.30 × 48,845.30
  4. Step 4: Simplify right side
    54,750.20x = 4,011,434,916.09
  5. Step 5: Solve for x
    x = 4,011,434,916.09/54,750.20
  6. Step 6: Final answer
    x = 73,267.95

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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.