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Finding the Fourth Proportional to 368,165.78, 552,183.87 and 98,297.27

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Solution

The fourth proportional to 368,165.78, 552,183.87 and 98,297.27 is: 147,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,165.78 : 552,183.87 = 98,297.27 : x
  2. Step 2: Convert to fraction form
    368,165.78/552,183.87 = 98,297.27/x
  3. Step 3: Cross multiply
    368,165.78x = 552,183.87 × 98,297.27
  4. Step 4: Simplify right side
    368,165.78x = 54,278,166,959.03
  5. Step 5: Solve for x
    x = 54,278,166,959.03/368,165.78
  6. Step 6: Final answer
    x = 147,428.60

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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.