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Finding the Fourth Proportional to 119,608.38, 179,412.56 and 49,489.51

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Solution

The fourth proportional to 119,608.38, 179,412.56 and 49,489.51 is: 74,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,608.38 : 179,412.56 = 49,489.51 : x
  2. Step 2: Convert to fraction form
    119,608.38/179,412.56 = 49,489.51/x
  3. Step 3: Cross multiply
    119,608.38x = 179,412.56 × 49,489.51
  4. Step 4: Simplify right side
    119,608.38x = 8,879,039,682.25
  5. Step 5: Solve for x
    x = 8,879,039,682.25/119,608.38
  6. Step 6: Final answer
    x = 74,234.26

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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.