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Finding the Fourth Proportional to 225,012.56, 337,352.10 and 136,245.20

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Solution

The fourth proportional to 225,012.56, 337,352.10 and 136,245.20 is: 204,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,012.56 : 337,352.10 = 136,245.20 : x
  2. Step 2: Convert to fraction form
    225,012.56/337,352.10 = 136,245.20/x
  3. Step 3: Cross multiply
    225,012.56x = 337,352.10 × 136,245.20
  4. Step 4: Simplify right side
    225,012.56x = 45,962,604,334.92
  5. Step 5: Solve for x
    x = 45,962,604,334.92/225,012.56
  6. Step 6: Final answer
    x = 204,266.84

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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.