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Finding the Fourth Proportional to 171,466.67, 257,200.03 and 71,572.37

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Solution

The fourth proportional to 171,466.67, 257,200.03 and 71,572.37 is: 107,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,466.67 : 257,200.03 = 71,572.37 : x
  2. Step 2: Convert to fraction form
    171,466.67/257,200.03 = 71,572.37/x
  3. Step 3: Cross multiply
    171,466.67x = 257,200.03 × 71,572.37
  4. Step 4: Simplify right side
    171,466.67x = 18,408,414,443.86
  5. Step 5: Solve for x
    x = 18,408,414,443.86/171,466.67
  6. Step 6: Final answer
    x = 107,358.56

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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.