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Finding the Fourth Proportional to 168,288.84, 252,472.14 and 49,957.56

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Solution

The fourth proportional to 168,288.84, 252,472.14 and 49,957.56 is: 74,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,288.84 : 252,472.14 = 49,957.56 : x
  2. Step 2: Convert to fraction form
    168,288.84/252,472.14 = 49,957.56/x
  3. Step 3: Cross multiply
    168,288.84x = 252,472.14 × 49,957.56
  4. Step 4: Simplify right side
    168,288.84x = 12,612,892,082.38
  5. Step 5: Solve for x
    x = 12,612,892,082.38/168,288.84
  6. Step 6: Final answer
    x = 74,947.88

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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.