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Finding the Fourth Proportional to 245,249.82, 368,015.94 and 103,082.94

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Solution

The fourth proportional to 245,249.82, 368,015.94 and 103,082.94 is: 154,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,249.82 : 368,015.94 = 103,082.94 : x
  2. Step 2: Convert to fraction form
    245,249.82/368,015.94 = 103,082.94/x
  3. Step 3: Cross multiply
    245,249.82x = 368,015.94 × 103,082.94
  4. Step 4: Simplify right side
    245,249.82x = 37,936,165,062.06
  5. Step 5: Solve for x
    x = 37,936,165,062.06/245,249.82
  6. Step 6: Final answer
    x = 154,683.76

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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.