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Finding the Fourth Proportional to 226,899.17, 340,372.03 and 86,775.65

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Solution

The fourth proportional to 226,899.17, 340,372.03 and 86,775.65 is: 130,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,899.17 : 340,372.03 = 86,775.65 : x
  2. Step 2: Convert to fraction form
    226,899.17/340,372.03 = 86,775.65/x
  3. Step 3: Cross multiply
    226,899.17x = 340,372.03 × 86,775.65
  4. Step 4: Simplify right side
    226,899.17x = 29,536,002,226.27
  5. Step 5: Solve for x
    x = 29,536,002,226.27/226,899.17
  6. Step 6: Final answer
    x = 130,172.37

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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.