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Finding the Fourth Proportional to 177,752.80, 265,981.20 and 131,096.80

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Solution

The fourth proportional to 177,752.80, 265,981.20 and 131,096.80 is: 196,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,752.80 : 265,981.20 = 131,096.80 : x
  2. Step 2: Convert to fraction form
    177,752.80/265,981.20 = 131,096.80/x
  3. Step 3: Cross multiply
    177,752.80x = 265,981.20 × 131,096.80
  4. Step 4: Simplify right side
    177,752.80x = 34,869,284,180.16
  5. Step 5: Solve for x
    x = 34,869,284,180.16/177,752.80
  6. Step 6: Final answer
    x = 196,167.29

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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.