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Finding the Fourth Proportional to 73,472.25, 101,391.71 and 43,664.25

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Solution

The fourth proportional to 73,472.25, 101,391.71 and 43,664.25 is: 60,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,472.25 : 101,391.71 = 43,664.25 : x
  2. Step 2: Convert to fraction form
    73,472.25/101,391.71 = 43,664.25/x
  3. Step 3: Cross multiply
    73,472.25x = 101,391.71 × 43,664.25
  4. Step 4: Simplify right side
    73,472.25x = 4,427,192,755.05
  5. Step 5: Solve for x
    x = 4,427,192,755.05/73,472.25
  6. Step 6: Final answer
    x = 60,256.67

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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.