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Finding the Fourth Proportional to 226,872.20, 340,259.70 and 100,512.20

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Solution

The fourth proportional to 226,872.20, 340,259.70 and 100,512.20 is: 150,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,872.20 : 340,259.70 = 100,512.20 : x
  2. Step 2: Convert to fraction form
    226,872.20/340,259.70 = 100,512.20/x
  3. Step 3: Cross multiply
    226,872.20x = 340,259.70 × 100,512.20
  4. Step 4: Simplify right side
    226,872.20x = 34,200,251,018.34
  5. Step 5: Solve for x
    x = 34,200,251,018.34/226,872.20
  6. Step 6: Final answer
    x = 150,746.77

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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.