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Finding the Fourth Proportional to 163,705.02, 225,910.60 and 92,085.02

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Solution

The fourth proportional to 163,705.02, 225,910.60 and 92,085.02 is: 127,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,705.02 : 225,910.60 = 92,085.02 : x
  2. Step 2: Convert to fraction form
    163,705.02/225,910.60 = 92,085.02/x
  3. Step 3: Cross multiply
    163,705.02x = 225,910.60 × 92,085.02
  4. Step 4: Simplify right side
    163,705.02x = 20,802,981,606.61
  5. Step 5: Solve for x
    x = 20,802,981,606.61/163,705.02
  6. Step 6: Final answer
    x = 127,076.02

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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.