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Finding the Fourth Proportional to 220,481.60, 329,726.09 and 169,874.42

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Solution

The fourth proportional to 220,481.60, 329,726.09 and 169,874.42 is: 254,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,481.60 : 329,726.09 = 169,874.42 : x
  2. Step 2: Convert to fraction form
    220,481.60/329,726.09 = 169,874.42/x
  3. Step 3: Cross multiply
    220,481.60x = 329,726.09 × 169,874.42
  4. Step 4: Simplify right side
    220,481.60x = 56,012,027,073.67
  5. Step 5: Solve for x
    x = 56,012,027,073.67/220,481.60
  6. Step 6: Final answer
    x = 254,044.00

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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.