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Finding the Fourth Proportional to 68,605.71, 94,684.32 and 41,750.97

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Solution

The fourth proportional to 68,605.71, 94,684.32 and 41,750.97 is: 57,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,605.71 : 94,684.32 = 41,750.97 : x
  2. Step 2: Convert to fraction form
    68,605.71/94,684.32 = 41,750.97/x
  3. Step 3: Cross multiply
    68,605.71x = 94,684.32 × 41,750.97
  4. Step 4: Simplify right side
    68,605.71x = 3,953,162,203.79
  5. Step 5: Solve for x
    x = 3,953,162,203.79/68,605.71
  6. Step 6: Final answer
    x = 57,621.48

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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.