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Finding the Fourth Proportional to 203,243.80, 304,428.30 and 168,251.80

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Solution

The fourth proportional to 203,243.80, 304,428.30 and 168,251.80 is: 252,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,243.80 : 304,428.30 = 168,251.80 : x
  2. Step 2: Convert to fraction form
    203,243.80/304,428.30 = 168,251.80/x
  3. Step 3: Cross multiply
    203,243.80x = 304,428.30 × 168,251.80
  4. Step 4: Simplify right side
    203,243.80x = 51,220,609,445.94
  5. Step 5: Solve for x
    x = 51,220,609,445.94/203,243.80
  6. Step 6: Final answer
    x = 252,015.61

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1.5x scale

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.