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Finding the Fourth Proportional to 367,079.35, 550,619.03 and 117,786.55

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Solution

The fourth proportional to 367,079.35, 550,619.03 and 117,786.55 is: 176,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,079.35 : 550,619.03 = 117,786.55 : x
  2. Step 2: Convert to fraction form
    367,079.35/550,619.03 = 117,786.55/x
  3. Step 3: Cross multiply
    367,079.35x = 550,619.03 × 117,786.55
  4. Step 4: Simplify right side
    367,079.35x = 64,855,515,908.05
  5. Step 5: Solve for x
    x = 64,855,515,908.05/367,079.35
  6. Step 6: Final answer
    x = 176,679.83

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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.