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Finding the Fourth Proportional to 245,953.99, 339,573.20 and 200,739.84

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Solution

The fourth proportional to 245,953.99, 339,573.20 and 200,739.84 is: 277,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,953.99 : 339,573.20 = 200,739.84 : x
  2. Step 2: Convert to fraction form
    245,953.99/339,573.20 = 200,739.84/x
  3. Step 3: Cross multiply
    245,953.99x = 339,573.20 × 200,739.84
  4. Step 4: Simplify right side
    245,953.99x = 68,165,869,836.29
  5. Step 5: Solve for x
    x = 68,165,869,836.29/245,953.99
  6. Step 6: Final answer
    x = 277,148.87

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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.