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Finding the Fourth Proportional to 169,579.70, 234,020.88 and 105,954.39

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Solution

The fourth proportional to 169,579.70, 234,020.88 and 105,954.39 is: 146,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,579.70 : 234,020.88 = 105,954.39 : x
  2. Step 2: Convert to fraction form
    169,579.70/234,020.88 = 105,954.39/x
  3. Step 3: Cross multiply
    169,579.70x = 234,020.88 × 105,954.39
  4. Step 4: Simplify right side
    169,579.70x = 24,795,539,587.66
  5. Step 5: Solve for x
    x = 24,795,539,587.66/169,579.70
  6. Step 6: Final answer
    x = 146,217.62

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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.