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Finding the Fourth Proportional to 227,136.20, 340,048.20 and 220,575.20

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Solution

The fourth proportional to 227,136.20, 340,048.20 and 220,575.20 is: 330,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,136.20 : 340,048.20 = 220,575.20 : x
  2. Step 2: Convert to fraction form
    227,136.20/340,048.20 = 220,575.20/x
  3. Step 3: Cross multiply
    227,136.20x = 340,048.20 × 220,575.20
  4. Step 4: Simplify right side
    227,136.20x = 75,006,199,724.64
  5. Step 5: Solve for x
    x = 75,006,199,724.64/227,136.20
  6. Step 6: Final answer
    x = 330,225.65

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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.