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Finding the Fourth Proportional to 179,379.20, 269,104.80 and 53,019.20

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Solution

The fourth proportional to 179,379.20, 269,104.80 and 53,019.20 is: 79,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,379.20 : 269,104.80 = 53,019.20 : x
  2. Step 2: Convert to fraction form
    179,379.20/269,104.80 = 53,019.20/x
  3. Step 3: Cross multiply
    179,379.20x = 269,104.80 × 53,019.20
  4. Step 4: Simplify right side
    179,379.20x = 14,267,721,212.16
  5. Step 5: Solve for x
    x = 14,267,721,212.16/179,379.20
  6. Step 6: Final answer
    x = 79,539.44

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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.