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Finding the Fourth Proportional to 171,243, 236,315.38 and 95,791.48

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Solution

The fourth proportional to 171,243, 236,315.38 and 95,791.48 is: 132,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243 : 236,315.38 = 95,791.48 : x
  2. Step 2: Convert to fraction form
    171,243/236,315.38 = 95,791.48/x
  3. Step 3: Cross multiply
    171,243x = 236,315.38 × 95,791.48
  4. Step 4: Simplify right side
    171,243x = 22,636,999,996.96
  5. Step 5: Solve for x
    x = 22,636,999,996.96/171,243
  6. Step 6: Final answer
    x = 132,192.26

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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.