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Finding the Fourth Proportional to 181,806.10, 250,879.60 and 113,819.96

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Solution

The fourth proportional to 181,806.10, 250,879.60 and 113,819.96 is: 157,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,806.10 : 250,879.60 = 113,819.96 : x
  2. Step 2: Convert to fraction form
    181,806.10/250,879.60 = 113,819.96/x
  3. Step 3: Cross multiply
    181,806.10x = 250,879.60 × 113,819.96
  4. Step 4: Simplify right side
    181,806.10x = 28,555,106,036.82
  5. Step 5: Solve for x
    x = 28,555,106,036.82/181,806.10
  6. Step 6: Final answer
    x = 157,063.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.