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Finding the Fourth Proportional to 163,696.25, 225,899.52 and 92,082.94

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Solution

The fourth proportional to 163,696.25, 225,899.52 and 92,082.94 is: 127,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,696.25 : 225,899.52 = 92,082.94 : x
  2. Step 2: Convert to fraction form
    163,696.25/225,899.52 = 92,082.94/x
  3. Step 3: Cross multiply
    163,696.25x = 225,899.52 × 92,082.94
  4. Step 4: Simplify right side
    163,696.25x = 20,801,491,036.13
  5. Step 5: Solve for x
    x = 20,801,491,036.13/163,696.25
  6. Step 6: Final answer
    x = 127,073.72

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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.