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Finding the Fourth Proportional to 68,718.41, 94,829.43 and 40,044.41

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Solution

The fourth proportional to 68,718.41, 94,829.43 and 40,044.41 is: 55,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718.41 : 94,829.43 = 40,044.41 : x
  2. Step 2: Convert to fraction form
    68,718.41/94,829.43 = 40,044.41/x
  3. Step 3: Cross multiply
    68,718.41x = 94,829.43 × 40,044.41
  4. Step 4: Simplify right side
    68,718.41x = 3,797,388,574.99
  5. Step 5: Solve for x
    x = 3,797,388,574.99/68,718.41
  6. Step 6: Final answer
    x = 55,260.13

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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.