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Finding the Fourth Proportional to 168,233.68, 252,311.61 and 49,876.48

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Solution

The fourth proportional to 168,233.68, 252,311.61 and 49,876.48 is: 74,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,233.68 : 252,311.61 = 49,876.48 : x
  2. Step 2: Convert to fraction form
    168,233.68/252,311.61 = 49,876.48/x
  3. Step 3: Cross multiply
    168,233.68x = 252,311.61 × 49,876.48
  4. Step 4: Simplify right side
    168,233.68x = 12,584,414,969.93
  5. Step 5: Solve for x
    x = 12,584,414,969.93/168,233.68
  6. Step 6: Final answer
    x = 74,803.18

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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.