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Finding the Fourth Proportional to 167,200.20, 250,508.70 and 140,956.20

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Solution

The fourth proportional to 167,200.20, 250,508.70 and 140,956.20 is: 211,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,200.20 : 250,508.70 = 140,956.20 : x
  2. Step 2: Convert to fraction form
    167,200.20/250,508.70 = 140,956.20/x
  3. Step 3: Cross multiply
    167,200.20x = 250,508.70 × 140,956.20
  4. Step 4: Simplify right side
    167,200.20x = 35,310,754,418.94
  5. Step 5: Solve for x
    x = 35,310,754,418.94/167,200.20
  6. Step 6: Final answer
    x = 211,188.47

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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.