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Finding the Fourth Proportional to 226,919.68, 340,221.90 and 100,491.03

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Solution

The fourth proportional to 226,919.68, 340,221.90 and 100,491.03 is: 150,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,919.68 : 340,221.90 = 100,491.03 : x
  2. Step 2: Convert to fraction form
    226,919.68/340,221.90 = 100,491.03/x
  3. Step 3: Cross multiply
    226,919.68x = 340,221.90 × 100,491.03
  4. Step 4: Simplify right side
    226,919.68x = 34,189,249,536.40
  5. Step 5: Solve for x
    x = 34,189,249,536.40/226,919.68
  6. Step 6: Final answer
    x = 150,666.75

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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.