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Finding the Fourth Proportional to 72,160.49, 108,250.92 and 22,244.64

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Solution

The fourth proportional to 72,160.49, 108,250.92 and 22,244.64 is: 33,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,160.49 : 108,250.92 = 22,244.64 : x
  2. Step 2: Convert to fraction form
    72,160.49/108,250.92 = 22,244.64/x
  3. Step 3: Cross multiply
    72,160.49x = 108,250.92 × 22,244.64
  4. Step 4: Simplify right side
    72,160.49x = 2,408,002,745.07
  5. Step 5: Solve for x
    x = 2,408,002,745.07/72,160.49
  6. Step 6: Final answer
    x = 33,370.10

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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.