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Finding the Fourth Proportional to 68,149.84, 94,046.77 and 37,934.51

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Solution

The fourth proportional to 68,149.84, 94,046.77 and 37,934.51 is: 52,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149.84 : 94,046.77 = 37,934.51 : x
  2. Step 2: Convert to fraction form
    68,149.84/94,046.77 = 37,934.51/x
  3. Step 3: Cross multiply
    68,149.84x = 94,046.77 × 37,934.51
  4. Step 4: Simplify right side
    68,149.84x = 3,567,618,137.03
  5. Step 5: Solve for x
    x = 3,567,618,137.03/68,149.84
  6. Step 6: Final answer
    x = 52,349.62

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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.