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Finding the Fourth Proportional to 73,676.43, 101,672.91 and 43,461.81

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Solution

The fourth proportional to 73,676.43, 101,672.91 and 43,461.81 is: 59,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,676.43 : 101,672.91 = 43,461.81 : x
  2. Step 2: Convert to fraction form
    73,676.43/101,672.91 = 43,461.81/x
  3. Step 3: Cross multiply
    73,676.43x = 101,672.91 × 43,461.81
  4. Step 4: Simplify right side
    73,676.43x = 4,418,888,696.57
  5. Step 5: Solve for x
    x = 4,418,888,696.57/73,676.43
  6. Step 6: Final answer
    x = 59,976.97

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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.