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Finding the Fourth Proportional to 273,791.61, 409,688.27 and 161,525.61

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Solution

The fourth proportional to 273,791.61, 409,688.27 and 161,525.61 is: 241,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,791.61 : 409,688.27 = 161,525.61 : x
  2. Step 2: Convert to fraction form
    273,791.61/409,688.27 = 161,525.61/x
  3. Step 3: Cross multiply
    273,791.61x = 409,688.27 × 161,525.61
  4. Step 4: Simplify right side
    273,791.61x = 66,175,147,721.59
  5. Step 5: Solve for x
    x = 66,175,147,721.59/273,791.61
  6. Step 6: Final answer
    x = 241,698.96

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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.