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Finding the Fourth Proportional to 108,093.62, 149,169.20 and 60,346.98

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Solution

The fourth proportional to 108,093.62, 149,169.20 and 60,346.98 is: 83,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,093.62 : 149,169.20 = 60,346.98 : x
  2. Step 2: Convert to fraction form
    108,093.62/149,169.20 = 60,346.98/x
  3. Step 3: Cross multiply
    108,093.62x = 149,169.20 × 60,346.98
  4. Step 4: Simplify right side
    108,093.62x = 9,001,910,729.02
  5. Step 5: Solve for x
    x = 9,001,910,729.02/108,093.62
  6. Step 6: Final answer
    x = 83,278.83

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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.