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Finding the Fourth Proportional to 108,676.62, 149,965.04 and 60,923.48

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Solution

The fourth proportional to 108,676.62, 149,965.04 and 60,923.48 is: 84,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,676.62 : 149,965.04 = 60,923.48 : x
  2. Step 2: Convert to fraction form
    108,676.62/149,965.04 = 60,923.48/x
  3. Step 3: Cross multiply
    108,676.62x = 149,965.04 × 60,923.48
  4. Step 4: Simplify right side
    108,676.62x = 9,136,392,115.14
  5. Step 5: Solve for x
    x = 9,136,392,115.14/108,676.62
  6. Step 6: Final answer
    x = 84,069.53

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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.