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Finding the Fourth Proportional to 264,763.92, 397,021.15 and 96,165.36

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Solution

The fourth proportional to 264,763.92, 397,021.15 and 96,165.36 is: 144,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,763.92 : 397,021.15 = 96,165.36 : x
  2. Step 2: Convert to fraction form
    264,763.92/397,021.15 = 96,165.36/x
  3. Step 3: Cross multiply
    264,763.92x = 397,021.15 × 96,165.36
  4. Step 4: Simplify right side
    264,763.92x = 38,179,681,396.64
  5. Step 5: Solve for x
    x = 38,179,681,396.64/264,763.92
  6. Step 6: Final answer
    x = 144,202.73

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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.