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Finding the Fourth Proportional to 119,608.63, 179,412.94 and 49,489.76

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Solution

The fourth proportional to 119,608.63, 179,412.94 and 49,489.76 is: 74,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,608.63 : 179,412.94 = 49,489.76 : x
  2. Step 2: Convert to fraction form
    119,608.63/179,412.94 = 49,489.76/x
  3. Step 3: Cross multiply
    119,608.63x = 179,412.94 × 49,489.76
  4. Step 4: Simplify right side
    119,608.63x = 8,879,103,341.49
  5. Step 5: Solve for x
    x = 8,879,103,341.49/119,608.63
  6. Step 6: Final answer
    x = 74,234.64

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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.