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Finding the Fourth Proportional to 371,752.35, 557,315.06 and 161,231.73

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Solution

The fourth proportional to 371,752.35, 557,315.06 and 161,231.73 is: 241,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,752.35 : 557,315.06 = 161,231.73 : x
  2. Step 2: Convert to fraction form
    371,752.35/557,315.06 = 161,231.73/x
  3. Step 3: Cross multiply
    371,752.35x = 557,315.06 × 161,231.73
  4. Step 4: Simplify right side
    371,752.35x = 89,856,870,472.70
  5. Step 5: Solve for x
    x = 89,856,870,472.70/371,752.35
  6. Step 6: Final answer
    x = 241,711.64

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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.