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Finding the Fourth Proportional to 192,790.98, 289,177.97 and 52,549.61

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Solution

The fourth proportional to 192,790.98, 289,177.97 and 52,549.61 is: 78,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,790.98 : 289,177.97 = 52,549.61 : x
  2. Step 2: Convert to fraction form
    192,790.98/289,177.97 = 52,549.61/x
  3. Step 3: Cross multiply
    192,790.98x = 289,177.97 × 52,549.61
  4. Step 4: Simplify right side
    192,790.98x = 15,196,187,835.45
  5. Step 5: Solve for x
    x = 15,196,187,835.45/192,790.98
  6. Step 6: Final answer
    x = 78,822.09

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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.