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Finding the Fourth Proportional to 61,371.67, 92,103.13 and 45,613.39

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Solution

The fourth proportional to 61,371.67, 92,103.13 and 45,613.39 is: 68,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,371.67 : 92,103.13 = 45,613.39 : x
  2. Step 2: Convert to fraction form
    61,371.67/92,103.13 = 45,613.39/x
  3. Step 3: Cross multiply
    61,371.67x = 92,103.13 × 45,613.39
  4. Step 4: Simplify right side
    61,371.67x = 4,201,135,300.33
  5. Step 5: Solve for x
    x = 4,201,135,300.33/61,371.67
  6. Step 6: Final answer
    x = 68,453.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.