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Finding the Fourth Proportional to 226,552.80, 340,023.60 and 100,387.20

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Solution

The fourth proportional to 226,552.80, 340,023.60 and 100,387.20 is: 150,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,552.80 : 340,023.60 = 100,387.20 : x
  2. Step 2: Convert to fraction form
    226,552.80/340,023.60 = 100,387.20/x
  3. Step 3: Cross multiply
    226,552.80x = 340,023.60 × 100,387.20
  4. Step 4: Simplify right side
    226,552.80x = 34,134,017,137.92
  5. Step 5: Solve for x
    x = 34,134,017,137.92/226,552.80
  6. Step 6: Final answer
    x = 150,666.94

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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.