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Finding the Fourth Proportional to 180,637.70, 271,110.15 and 80,951.30

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Solution

The fourth proportional to 180,637.70, 271,110.15 and 80,951.30 is: 121,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,637.70 : 271,110.15 = 80,951.30 : x
  2. Step 2: Convert to fraction form
    180,637.70/271,110.15 = 80,951.30/x
  3. Step 3: Cross multiply
    180,637.70x = 271,110.15 × 80,951.30
  4. Step 4: Simplify right side
    180,637.70x = 21,946,719,085.70
  5. Step 5: Solve for x
    x = 21,946,719,085.70/180,637.70
  6. Step 6: Final answer
    x = 121,495.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.