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Finding the Fourth Proportional to 264,771.89, 365,392.34 and 143,921.34

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Solution

The fourth proportional to 264,771.89, 365,392.34 and 143,921.34 is: 198,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,771.89 : 365,392.34 = 143,921.34 : x
  2. Step 2: Convert to fraction form
    264,771.89/365,392.34 = 143,921.34/x
  3. Step 3: Cross multiply
    264,771.89x = 365,392.34 × 143,921.34
  4. Step 4: Simplify right side
    264,771.89x = 52,587,756,964.91
  5. Step 5: Solve for x
    x = 52,587,756,964.91/264,771.89
  6. Step 6: Final answer
    x = 198,615.33

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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.