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Finding the Fourth Proportional to 202,769.89, 304,338.67 and 108,079.61

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Solution

The fourth proportional to 202,769.89, 304,338.67 and 108,079.61 is: 162,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,769.89 : 304,338.67 = 108,079.61 : x
  2. Step 2: Convert to fraction form
    202,769.89/304,338.67 = 108,079.61/x
  3. Step 3: Cross multiply
    202,769.89x = 304,338.67 × 108,079.61
  4. Step 4: Simplify right side
    202,769.89x = 32,892,802,969.63
  5. Step 5: Solve for x
    x = 32,892,802,969.63/202,769.89
  6. Step 6: Final answer
    x = 162,217.40

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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.