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Finding the Fourth Proportional to 179,900.96, 269,556.17 and 61,507.71

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Solution

The fourth proportional to 179,900.96, 269,556.17 and 61,507.71 is: 92,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,900.96 : 269,556.17 = 61,507.71 : x
  2. Step 2: Convert to fraction form
    179,900.96/269,556.17 = 61,507.71/x
  3. Step 3: Cross multiply
    179,900.96x = 269,556.17 × 61,507.71
  4. Step 4: Simplify right side
    179,900.96x = 16,579,782,425.53
  5. Step 5: Solve for x
    x = 16,579,782,425.53/179,900.96
  6. Step 6: Final answer
    x = 92,160.61

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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.