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Finding the Fourth Proportional to 168,780.92, 253,171.37 and 50,448.42

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Solution

The fourth proportional to 168,780.92, 253,171.37 and 50,448.42 is: 75,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.92 : 253,171.37 = 50,448.42 : x
  2. Step 2: Convert to fraction form
    168,780.92/253,171.37 = 50,448.42/x
  3. Step 3: Cross multiply
    168,780.92x = 253,171.37 × 50,448.42
  4. Step 4: Simplify right side
    168,780.92x = 12,772,095,731.86
  5. Step 5: Solve for x
    x = 12,772,095,731.86/168,780.92
  6. Step 6: Final answer
    x = 75,672.63

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1.5x scale

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.