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Finding the Fourth Proportional to 62,968.91, 94,453.25 and 43,187.49

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Solution

The fourth proportional to 62,968.91, 94,453.25 and 43,187.49 is: 64,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,968.91 : 94,453.25 = 43,187.49 : x
  2. Step 2: Convert to fraction form
    62,968.91/94,453.25 = 43,187.49/x
  3. Step 3: Cross multiply
    62,968.91x = 94,453.25 × 43,187.49
  4. Step 4: Simplify right side
    62,968.91x = 4,079,198,573.91
  5. Step 5: Solve for x
    x = 4,079,198,573.91/62,968.91
  6. Step 6: Final answer
    x = 64,781.16

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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.