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Finding the Fourth Proportional to 225,745.76, 338,615.19 and 54,969.07

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Solution

The fourth proportional to 225,745.76, 338,615.19 and 54,969.07 is: 82,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,745.76 : 338,615.19 = 54,969.07 : x
  2. Step 2: Convert to fraction form
    225,745.76/338,615.19 = 54,969.07/x
  3. Step 3: Cross multiply
    225,745.76x = 338,615.19 × 54,969.07
  4. Step 4: Simplify right side
    225,745.76x = 18,613,362,082.17
  5. Step 5: Solve for x
    x = 18,613,362,082.17/225,745.76
  6. Step 6: Final answer
    x = 82,452.76

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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.