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Finding the Fourth Proportional to 225,245.61, 338,034.87 and 181,401.53

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Solution

The fourth proportional to 225,245.61, 338,034.87 and 181,401.53 is: 272,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,245.61 : 338,034.87 = 181,401.53 : x
  2. Step 2: Convert to fraction form
    225,245.61/338,034.87 = 181,401.53/x
  3. Step 3: Cross multiply
    225,245.61x = 338,034.87 × 181,401.53
  4. Step 4: Simplify right side
    225,245.61x = 61,320,040,921.18
  5. Step 5: Solve for x
    x = 61,320,040,921.18/225,245.61
  6. Step 6: Final answer
    x = 272,236.34

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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.