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Finding the Fourth Proportional to 168,946.39, 233,052.42 and 108,449.11

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Solution

The fourth proportional to 168,946.39, 233,052.42 and 108,449.11 is: 149,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,946.39 : 233,052.42 = 108,449.11 : x
  2. Step 2: Convert to fraction form
    168,946.39/233,052.42 = 108,449.11/x
  3. Step 3: Cross multiply
    168,946.39x = 233,052.42 × 108,449.11
  4. Step 4: Simplify right side
    168,946.39x = 25,274,328,230.35
  5. Step 5: Solve for x
    x = 25,274,328,230.35/168,946.39
  6. Step 6: Final answer
    x = 149,599.69

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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.