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Finding the Fourth Proportional to 225,602.57, 338,228.15 and 111,671.73

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Solution

The fourth proportional to 225,602.57, 338,228.15 and 111,671.73 is: 167,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,602.57 : 338,228.15 = 111,671.73 : x
  2. Step 2: Convert to fraction form
    225,602.57/338,228.15 = 111,671.73/x
  3. Step 3: Cross multiply
    225,602.57x = 338,228.15 × 111,671.73
  4. Step 4: Simplify right side
    225,602.57x = 37,770,523,211.59
  5. Step 5: Solve for x
    x = 37,770,523,211.59/225,602.57
  6. Step 6: Final answer
    x = 167,420.62

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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.