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Finding the Fourth Proportional to 228,676.20, 343,014.46 and 95,483.88

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Solution

The fourth proportional to 228,676.20, 343,014.46 and 95,483.88 is: 143,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,676.20 : 343,014.46 = 95,483.88 : x
  2. Step 2: Convert to fraction form
    228,676.20/343,014.46 = 95,483.88/x
  3. Step 3: Cross multiply
    228,676.20x = 343,014.46 × 95,483.88
  4. Step 4: Simplify right side
    228,676.20x = 32,752,351,536.90
  5. Step 5: Solve for x
    x = 32,752,351,536.90/228,676.20
  6. Step 6: Final answer
    x = 143,225.89

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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.