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Finding the Fourth Proportional to 169,791.74, 234,208.36 and 100,834.36

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Solution

The fourth proportional to 169,791.74, 234,208.36 and 100,834.36 is: 139,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,791.74 : 234,208.36 = 100,834.36 : x
  2. Step 2: Convert to fraction form
    169,791.74/234,208.36 = 100,834.36/x
  3. Step 3: Cross multiply
    169,791.74x = 234,208.36 × 100,834.36
  4. Step 4: Simplify right side
    169,791.74x = 23,616,250,087.25
  5. Step 5: Solve for x
    x = 23,616,250,087.25/169,791.74
  6. Step 6: Final answer
    x = 139,089.51

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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.