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Finding the Fourth Proportional to 228,750.22, 343,136.28 and 110,521

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Solution

The fourth proportional to 228,750.22, 343,136.28 and 110,521 is: 165,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,750.22 : 343,136.28 = 110,521 : x
  2. Step 2: Convert to fraction form
    228,750.22/343,136.28 = 110,521/x
  3. Step 3: Cross multiply
    228,750.22x = 343,136.28 × 110,521
  4. Step 4: Simplify right side
    228,750.22x = 37,923,764,801.88
  5. Step 5: Solve for x
    x = 37,923,764,801.88/228,750.22
  6. Step 6: Final answer
    x = 165,786.79

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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.