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Finding the Fourth Proportional to 137,857.92, 206,673.87 and 49,060.86

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Solution

The fourth proportional to 137,857.92, 206,673.87 and 49,060.86 is: 73,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,857.92 : 206,673.87 = 49,060.86 : x
  2. Step 2: Convert to fraction form
    137,857.92/206,673.87 = 49,060.86/x
  3. Step 3: Cross multiply
    137,857.92x = 206,673.87 × 49,060.86
  4. Step 4: Simplify right side
    137,857.92x = 10,139,597,556.42
  5. Step 5: Solve for x
    x = 10,139,597,556.42/137,857.92
  6. Step 6: Final answer
    x = 73,551.07

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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.