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Finding the Fourth Proportional to 163,630.73, 225,805.92 and 92,008.91

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Solution

The fourth proportional to 163,630.73, 225,805.92 and 92,008.91 is: 126,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,630.73 : 225,805.92 = 92,008.91 : x
  2. Step 2: Convert to fraction form
    163,630.73/225,805.92 = 92,008.91/x
  3. Step 3: Cross multiply
    163,630.73x = 225,805.92 × 92,008.91
  4. Step 4: Simplify right side
    163,630.73x = 20,776,156,570.75
  5. Step 5: Solve for x
    x = 20,776,156,570.75/163,630.73
  6. Step 6: Final answer
    x = 126,969.77

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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.