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Finding the Fourth Proportional to 121,466.34, 167,553.36 and 73,034.62

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Solution

The fourth proportional to 121,466.34, 167,553.36 and 73,034.62 is: 100,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,466.34 : 167,553.36 = 73,034.62 : x
  2. Step 2: Convert to fraction form
    121,466.34/167,553.36 = 73,034.62/x
  3. Step 3: Cross multiply
    121,466.34x = 167,553.36 × 73,034.62
  4. Step 4: Simplify right side
    121,466.34x = 12,237,195,977.32
  5. Step 5: Solve for x
    x = 12,237,195,977.32/121,466.34
  6. Step 6: Final answer
    x = 100,745.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.