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Finding the Fourth Proportional to 342,062.73, 472,023.92 and 196,845.01

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Solution

The fourth proportional to 342,062.73, 472,023.92 and 196,845.01 is: 271,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,062.73 : 472,023.92 = 196,845.01 : x
  2. Step 2: Convert to fraction form
    342,062.73/472,023.92 = 196,845.01/x
  3. Step 3: Cross multiply
    342,062.73x = 472,023.92 × 196,845.01
  4. Step 4: Simplify right side
    342,062.73x = 92,915,552,564.69
  5. Step 5: Solve for x
    x = 92,915,552,564.69/342,062.73
  6. Step 6: Final answer
    x = 271,633.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.