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Finding the Fourth Proportional to 156,157.68, 234,273.84 and 50,976.84

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Solution

The fourth proportional to 156,157.68, 234,273.84 and 50,976.84 is: 76,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,157.68 : 234,273.84 = 50,976.84 : x
  2. Step 2: Convert to fraction form
    156,157.68/234,273.84 = 50,976.84/x
  3. Step 3: Cross multiply
    156,157.68x = 234,273.84 × 50,976.84
  4. Step 4: Simplify right side
    156,157.68x = 11,942,540,057.87
  5. Step 5: Solve for x
    x = 11,942,540,057.87/156,157.68
  6. Step 6: Final answer
    x = 76,477.44

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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.