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Finding the Fourth Proportional to 169,805.73, 254,819.16 and 64,625.61

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Solution

The fourth proportional to 169,805.73, 254,819.16 and 64,625.61 is: 96,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.73 : 254,819.16 = 64,625.61 : x
  2. Step 2: Convert to fraction form
    169,805.73/254,819.16 = 64,625.61/x
  3. Step 3: Cross multiply
    169,805.73x = 254,819.16 × 64,625.61
  4. Step 4: Simplify right side
    169,805.73x = 16,467,843,654.69
  5. Step 5: Solve for x
    x = 16,467,843,654.69/169,805.73
  6. Step 6: Final answer
    x = 96,980.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.