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Finding the Fourth Proportional to 264,082.79, 396,117.25 and 74,556.26

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Solution

The fourth proportional to 264,082.79, 396,117.25 and 74,556.26 is: 111,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,082.79 : 396,117.25 = 74,556.26 : x
  2. Step 2: Convert to fraction form
    264,082.79/396,117.25 = 74,556.26/x
  3. Step 3: Cross multiply
    264,082.79x = 396,117.25 × 74,556.26
  4. Step 4: Simplify right side
    264,082.79x = 29,533,020,419.33
  5. Step 5: Solve for x
    x = 29,533,020,419.33/264,082.79
  6. Step 6: Final answer
    x = 111,832.43

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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.