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Finding the Fourth Proportional to 179,813.52, 269,676.54 and 85,039.88

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Solution

The fourth proportional to 179,813.52, 269,676.54 and 85,039.88 is: 127,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,813.52 : 269,676.54 = 85,039.88 : x
  2. Step 2: Convert to fraction form
    179,813.52/269,676.54 = 85,039.88/x
  3. Step 3: Cross multiply
    179,813.52x = 269,676.54 × 85,039.88
  4. Step 4: Simplify right side
    179,813.52x = 22,933,259,252.03
  5. Step 5: Solve for x
    x = 22,933,259,252.03/179,813.52
  6. Step 6: Final answer
    x = 127,539.13

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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.