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Finding the Fourth Proportional to 264,818.70, 396,320.85 and 159,713.10

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Solution

The fourth proportional to 264,818.70, 396,320.85 and 159,713.10 is: 239,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,818.70 : 396,320.85 = 159,713.10 : x
  2. Step 2: Convert to fraction form
    264,818.70/396,320.85 = 159,713.10/x
  3. Step 3: Cross multiply
    264,818.70x = 396,320.85 × 159,713.10
  4. Step 4: Simplify right side
    264,818.70x = 63,297,631,548.14
  5. Step 5: Solve for x
    x = 63,297,631,548.14/264,818.70
  6. Step 6: Final answer
    x = 239,022.51

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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.