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Finding the Fourth Proportional to 169,608.43, 234,043.05 and 97,986.92

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Solution

The fourth proportional to 169,608.43, 234,043.05 and 97,986.92 is: 135,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,608.43 : 234,043.05 = 97,986.92 : x
  2. Step 2: Convert to fraction form
    169,608.43/234,043.05 = 97,986.92/x
  3. Step 3: Cross multiply
    169,608.43x = 234,043.05 × 97,986.92
  4. Step 4: Simplify right side
    169,608.43x = 22,933,156,814.14
  5. Step 5: Solve for x
    x = 22,933,156,814.14/169,608.43
  6. Step 6: Final answer
    x = 135,212.36

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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.