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Finding the Fourth Proportional to 62,179.88, 85,822.08 and 39,514.45

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Solution

The fourth proportional to 62,179.88, 85,822.08 and 39,514.45 is: 54,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,179.88 : 85,822.08 = 39,514.45 : x
  2. Step 2: Convert to fraction form
    62,179.88/85,822.08 = 39,514.45/x
  3. Step 3: Cross multiply
    62,179.88x = 85,822.08 × 39,514.45
  4. Step 4: Simplify right side
    62,179.88x = 3,391,211,968.94
  5. Step 5: Solve for x
    x = 3,391,211,968.94/62,179.88
  6. Step 6: Final answer
    x = 54,538.73

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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.