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Finding the Fourth Proportional to 168,554.92, 252,868.86 and 50,235.78

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Solution

The fourth proportional to 168,554.92, 252,868.86 and 50,235.78 is: 75,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,554.92 : 252,868.86 = 50,235.78 : x
  2. Step 2: Convert to fraction form
    168,554.92/252,868.86 = 50,235.78/x
  3. Step 3: Cross multiply
    168,554.92x = 252,868.86 × 50,235.78
  4. Step 4: Simplify right side
    168,554.92x = 12,703,064,419.81
  5. Step 5: Solve for x
    x = 12,703,064,419.81/168,554.92
  6. Step 6: Final answer
    x = 75,364.54

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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.