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Finding the Fourth Proportional to 168,630.68, 252,979.23 and 50,299.40

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Solution

The fourth proportional to 168,630.68, 252,979.23 and 50,299.40 is: 75,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,630.68 : 252,979.23 = 50,299.40 : x
  2. Step 2: Convert to fraction form
    168,630.68/252,979.23 = 50,299.40/x
  3. Step 3: Cross multiply
    168,630.68x = 252,979.23 × 50,299.40
  4. Step 4: Simplify right side
    168,630.68x = 12,724,702,216.57
  5. Step 5: Solve for x
    x = 12,724,702,216.57/168,630.68
  6. Step 6: Final answer
    x = 75,459.00

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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.