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Finding the Fourth Proportional to 179,202.72, 268,844.16 and 54,553.44

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Solution

The fourth proportional to 179,202.72, 268,844.16 and 54,553.44 is: 81,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,202.72 : 268,844.16 = 54,553.44 : x
  2. Step 2: Convert to fraction form
    179,202.72/268,844.16 = 54,553.44/x
  3. Step 3: Cross multiply
    179,202.72x = 268,844.16 × 54,553.44
  4. Step 4: Simplify right side
    179,202.72x = 14,666,373,751.91
  5. Step 5: Solve for x
    x = 14,666,373,751.91/179,202.72
  6. Step 6: Final answer
    x = 81,842.36

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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.