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Finding the Fourth Proportional to 75,199.98, 103,757.68 and 41,665.98

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Solution

The fourth proportional to 75,199.98, 103,757.68 and 41,665.98 is: 57,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,199.98 : 103,757.68 = 41,665.98 : x
  2. Step 2: Convert to fraction form
    75,199.98/103,757.68 = 41,665.98/x
  3. Step 3: Cross multiply
    75,199.98x = 103,757.68 × 41,665.98
  4. Step 4: Simplify right side
    75,199.98x = 4,323,165,419.73
  5. Step 5: Solve for x
    x = 4,323,165,419.73/75,199.98
  6. Step 6: Final answer
    x = 57,488.92

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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.