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Finding the Fourth Proportional to 179,563.92, 269,350.44 and 74,354.64

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Solution

The fourth proportional to 179,563.92, 269,350.44 and 74,354.64 is: 111,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,563.92 : 269,350.44 = 74,354.64 : x
  2. Step 2: Convert to fraction form
    179,563.92/269,350.44 = 74,354.64/x
  3. Step 3: Cross multiply
    179,563.92x = 269,350.44 × 74,354.64
  4. Step 4: Simplify right side
    179,563.92x = 20,027,455,000.04
  5. Step 5: Solve for x
    x = 20,027,455,000.04/179,563.92
  6. Step 6: Final answer
    x = 111,533.85

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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.