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Finding the Fourth Proportional to 275,638.41, 412,904.03 and 125,672.41

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Solution

The fourth proportional to 275,638.41, 412,904.03 and 125,672.41 is: 188,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,638.41 : 412,904.03 = 125,672.41 : x
  2. Step 2: Convert to fraction form
    275,638.41/412,904.03 = 125,672.41/x
  3. Step 3: Cross multiply
    275,638.41x = 412,904.03 × 125,672.41
  4. Step 4: Simplify right side
    275,638.41x = 51,890,642,114.00
  5. Step 5: Solve for x
    x = 51,890,642,114.00/275,638.41
  6. Step 6: Final answer
    x = 188,256.21

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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.