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Finding the Fourth Proportional to 169,680.80, 234,051.90 and 104,241

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Solution

The fourth proportional to 169,680.80, 234,051.90 and 104,241 is: 143,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,680.80 : 234,051.90 = 104,241 : x
  2. Step 2: Convert to fraction form
    169,680.80/234,051.90 = 104,241/x
  3. Step 3: Cross multiply
    169,680.80x = 234,051.90 × 104,241
  4. Step 4: Simplify right side
    169,680.80x = 24,397,804,107.90
  5. Step 5: Solve for x
    x = 24,397,804,107.90/169,680.80
  6. Step 6: Final answer
    x = 143,786.48

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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.