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Finding the Fourth Proportional to 179,655.86, 269,348.47 and 108,563.38

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Solution

The fourth proportional to 179,655.86, 269,348.47 and 108,563.38 is: 162,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,655.86 : 269,348.47 = 108,563.38 : x
  2. Step 2: Convert to fraction form
    179,655.86/269,348.47 = 108,563.38/x
  3. Step 3: Cross multiply
    179,655.86x = 269,348.47 × 108,563.38
  4. Step 4: Simplify right side
    179,655.86x = 29,241,380,301.03
  5. Step 5: Solve for x
    x = 29,241,380,301.03/179,655.86
  6. Step 6: Final answer
    x = 162,763.30

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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.