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Finding the Fourth Proportional to 117,466.88, 162,104.49 and 67,165.88

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Solution

The fourth proportional to 117,466.88, 162,104.49 and 67,165.88 is: 92,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.88 : 162,104.49 = 67,165.88 : x
  2. Step 2: Convert to fraction form
    117,466.88/162,104.49 = 67,165.88/x
  3. Step 3: Cross multiply
    117,466.88x = 162,104.49 × 67,165.88
  4. Step 4: Simplify right side
    117,466.88x = 10,887,889,912.28
  5. Step 5: Solve for x
    x = 10,887,889,912.28/117,466.88
  6. Step 6: Final answer
    x = 92,689.02

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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.