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Finding the Fourth Proportional to 73,960.49, 102,072.62 and 43,755.53

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Solution

The fourth proportional to 73,960.49, 102,072.62 and 43,755.53 is: 60,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,960.49 : 102,072.62 = 43,755.53 : x
  2. Step 2: Convert to fraction form
    73,960.49/102,072.62 = 43,755.53/x
  3. Step 3: Cross multiply
    73,960.49x = 102,072.62 × 43,755.53
  4. Step 4: Simplify right side
    73,960.49x = 4,466,241,185.61
  5. Step 5: Solve for x
    x = 4,466,241,185.61/73,960.49
  6. Step 6: Final answer
    x = 60,386.85

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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.