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Finding the Fourth Proportional to 108,285.54, 162,379.11 and 33,391.74

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Solution

The fourth proportional to 108,285.54, 162,379.11 and 33,391.74 is: 50,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.54 : 162,379.11 = 33,391.74 : x
  2. Step 2: Convert to fraction form
    108,285.54/162,379.11 = 33,391.74/x
  3. Step 3: Cross multiply
    108,285.54x = 162,379.11 × 33,391.74
  4. Step 4: Simplify right side
    108,285.54x = 5,422,121,022.55
  5. Step 5: Solve for x
    x = 5,422,121,022.55/108,285.54
  6. Step 6: Final answer
    x = 50,072.44

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1.5x scale

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.