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Finding the Fourth Proportional to 117,394.68, 161,965.26 and 67,058.04

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Solution

The fourth proportional to 117,394.68, 161,965.26 and 67,058.04 is: 92,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,394.68 : 161,965.26 = 67,058.04 : x
  2. Step 2: Convert to fraction form
    117,394.68/161,965.26 = 67,058.04/x
  3. Step 3: Cross multiply
    117,394.68x = 161,965.26 × 67,058.04
  4. Step 4: Simplify right side
    117,394.68x = 10,861,072,883.69
  5. Step 5: Solve for x
    x = 10,861,072,883.69/117,394.68
  6. Step 6: Final answer
    x = 92,517.59

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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.