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Finding the Fourth Proportional to 179,633.80, 269,450.70 and 165,053.80

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Solution

The fourth proportional to 179,633.80, 269,450.70 and 165,053.80 is: 247,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.80 : 269,450.70 = 165,053.80 : x
  2. Step 2: Convert to fraction form
    179,633.80/269,450.70 = 165,053.80/x
  3. Step 3: Cross multiply
    179,633.80x = 269,450.70 × 165,053.80
  4. Step 4: Simplify right side
    179,633.80x = 44,473,861,947.66
  5. Step 5: Solve for x
    x = 44,473,861,947.66/179,633.80
  6. Step 6: Final answer
    x = 247,580.70

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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.