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Finding the Fourth Proportional to 226,962.39, 340,443.59 and 69,189.48

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Solution

The fourth proportional to 226,962.39, 340,443.59 and 69,189.48 is: 103,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,962.39 : 340,443.59 = 69,189.48 : x
  2. Step 2: Convert to fraction form
    226,962.39/340,443.59 = 69,189.48/x
  3. Step 3: Cross multiply
    226,962.39x = 340,443.59 × 69,189.48
  4. Step 4: Simplify right side
    226,962.39x = 23,555,114,961.43
  5. Step 5: Solve for x
    x = 23,555,114,961.43/226,962.39
  6. Step 6: Final answer
    x = 103,784.22

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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.