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Finding the Fourth Proportional to 119,698.08, 179,540.20 and 43,847.79

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Solution

The fourth proportional to 119,698.08, 179,540.20 and 43,847.79 is: 65,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.08 : 179,540.20 = 43,847.79 : x
  2. Step 2: Convert to fraction form
    119,698.08/179,540.20 = 43,847.79/x
  3. Step 3: Cross multiply
    119,698.08x = 179,540.20 × 43,847.79
  4. Step 4: Simplify right side
    119,698.08x = 7,872,440,986.16
  5. Step 5: Solve for x
    x = 7,872,440,986.16/119,698.08
  6. Step 6: Final answer
    x = 65,769.15

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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.