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Finding the Fourth Proportional to 204,982.80, 306,955.80 and 163,510.80

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Solution

The fourth proportional to 204,982.80, 306,955.80 and 163,510.80 is: 244,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,982.80 : 306,955.80 = 163,510.80 : x
  2. Step 2: Convert to fraction form
    204,982.80/306,955.80 = 163,510.80/x
  3. Step 3: Cross multiply
    204,982.80x = 306,955.80 × 163,510.80
  4. Step 4: Simplify right side
    204,982.80x = 50,190,588,422.64
  5. Step 5: Solve for x
    x = 50,190,588,422.64/204,982.80
  6. Step 6: Final answer
    x = 244,852.68

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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.