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Finding the Fourth Proportional to 225,885.70, 338,849.52 and 161,240.74

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Solution

The fourth proportional to 225,885.70, 338,849.52 and 161,240.74 is: 241,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,885.70 : 338,849.52 = 161,240.74 : x
  2. Step 2: Convert to fraction form
    225,885.70/338,849.52 = 161,240.74/x
  3. Step 3: Cross multiply
    225,885.70x = 338,849.52 × 161,240.74
  4. Step 4: Simplify right side
    225,885.70x = 54,636,347,353.44
  5. Step 5: Solve for x
    x = 54,636,347,353.44/225,885.70
  6. Step 6: Final answer
    x = 241,876.08

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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.