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Finding the Fourth Proportional to 185,891.50, 278,836.67 and 52,771.85

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Solution

The fourth proportional to 185,891.50, 278,836.67 and 52,771.85 is: 79,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,891.50 : 278,836.67 = 52,771.85 : x
  2. Step 2: Convert to fraction form
    185,891.50/278,836.67 = 52,771.85/x
  3. Step 3: Cross multiply
    185,891.50x = 278,836.67 × 52,771.85
  4. Step 4: Simplify right side
    185,891.50x = 14,714,725,529.56
  5. Step 5: Solve for x
    x = 14,714,725,529.56/185,891.50
  6. Step 6: Final answer
    x = 79,157.60

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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.