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Finding the Fourth Proportional to 226,625.80, 340,200.60 and 121,649.80

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Solution

The fourth proportional to 226,625.80, 340,200.60 and 121,649.80 is: 182,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,625.80 : 340,200.60 = 121,649.80 : x
  2. Step 2: Convert to fraction form
    226,625.80/340,200.60 = 121,649.80/x
  3. Step 3: Cross multiply
    226,625.80x = 340,200.60 × 121,649.80
  4. Step 4: Simplify right side
    226,625.80x = 41,385,334,949.88
  5. Step 5: Solve for x
    x = 41,385,334,949.88/226,625.80
  6. Step 6: Final answer
    x = 182,615.28

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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.