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Finding the Fourth Proportional to 223,051.20, 334,466.10 and 80,890.80

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Solution

The fourth proportional to 223,051.20, 334,466.10 and 80,890.80 is: 121,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,051.20 : 334,466.10 = 80,890.80 : x
  2. Step 2: Convert to fraction form
    223,051.20/334,466.10 = 80,890.80/x
  3. Step 3: Cross multiply
    223,051.20x = 334,466.10 × 80,890.80
  4. Step 4: Simplify right side
    223,051.20x = 27,055,230,401.88
  5. Step 5: Solve for x
    x = 27,055,230,401.88/223,051.20
  6. Step 6: Final answer
    x = 121,296.05

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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.