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Finding the Fourth Proportional to 264,532.81, 365,057.92 and 143,676.46

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Solution

The fourth proportional to 264,532.81, 365,057.92 and 143,676.46 is: 198,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,532.81 : 365,057.92 = 143,676.46 : x
  2. Step 2: Convert to fraction form
    264,532.81/365,057.92 = 143,676.46/x
  3. Step 3: Cross multiply
    264,532.81x = 365,057.92 × 143,676.46
  4. Step 4: Simplify right side
    264,532.81x = 52,450,229,640.56
  5. Step 5: Solve for x
    x = 52,450,229,640.56/264,532.81
  6. Step 6: Final answer
    x = 198,274.95

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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.