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Finding the Fourth Proportional to 335,790.82, 503,565.26 and 111,109.78

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Solution

The fourth proportional to 335,790.82, 503,565.26 and 111,109.78 is: 166,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,790.82 : 503,565.26 = 111,109.78 : x
  2. Step 2: Convert to fraction form
    335,790.82/503,565.26 = 111,109.78/x
  3. Step 3: Cross multiply
    335,790.82x = 503,565.26 × 111,109.78
  4. Step 4: Simplify right side
    335,790.82x = 55,951,025,254.24
  5. Step 5: Solve for x
    x = 55,951,025,254.24/335,790.82
  6. Step 6: Final answer
    x = 166,624.64

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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.