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Finding the Fourth Proportional to 225,617.74, 338,198.85 and 141,437.03

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Solution

The fourth proportional to 225,617.74, 338,198.85 and 141,437.03 is: 212,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,617.74 : 338,198.85 = 141,437.03 : x
  2. Step 2: Convert to fraction form
    225,617.74/338,198.85 = 141,437.03/x
  3. Step 3: Cross multiply
    225,617.74x = 338,198.85 × 141,437.03
  4. Step 4: Simplify right side
    225,617.74x = 47,833,839,202.42
  5. Step 5: Solve for x
    x = 47,833,839,202.42/225,617.74
  6. Step 6: Final answer
    x = 212,012.76

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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.