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Finding the Fourth Proportional to 73,676.71, 101,672.49 and 40,973.13

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Solution

The fourth proportional to 73,676.71, 101,672.49 and 40,973.13 is: 56,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,676.71 : 101,672.49 = 40,973.13 : x
  2. Step 2: Convert to fraction form
    73,676.71/101,672.49 = 40,973.13/x
  3. Step 3: Cross multiply
    73,676.71x = 101,672.49 × 40,973.13
  4. Step 4: Simplify right side
    73,676.71x = 4,165,840,123.64
  5. Step 5: Solve for x
    x = 4,165,840,123.64/73,676.71
  6. Step 6: Final answer
    x = 56,542.16

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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.