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Finding the Fourth Proportional to 226,797.11, 340,272.20 and 100,420.10

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Solution

The fourth proportional to 226,797.11, 340,272.20 and 100,420.10 is: 150,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,797.11 : 340,272.20 = 100,420.10 : x
  2. Step 2: Convert to fraction form
    226,797.11/340,272.20 = 100,420.10/x
  3. Step 3: Cross multiply
    226,797.11x = 340,272.20 × 100,420.10
  4. Step 4: Simplify right side
    226,797.11x = 34,170,168,351.22
  5. Step 5: Solve for x
    x = 34,170,168,351.22/226,797.11
  6. Step 6: Final answer
    x = 150,664.04

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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.