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Finding the Fourth Proportional to 75,691.67, 104,462.71 and 41,703.64

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Solution

The fourth proportional to 75,691.67, 104,462.71 and 41,703.64 is: 57,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,691.67 : 104,462.71 = 41,703.64 : x
  2. Step 2: Convert to fraction form
    75,691.67/104,462.71 = 41,703.64/x
  3. Step 3: Cross multiply
    75,691.67x = 104,462.71 × 41,703.64
  4. Step 4: Simplify right side
    75,691.67x = 4,356,474,885.85
  5. Step 5: Solve for x
    x = 4,356,474,885.85/75,691.67
  6. Step 6: Final answer
    x = 57,555.54

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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.