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Finding the Fourth Proportional to 229,788.65, 344,692.25 and 80,044.09

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Solution

The fourth proportional to 229,788.65, 344,692.25 and 80,044.09 is: 120,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,788.65 : 344,692.25 = 80,044.09 : x
  2. Step 2: Convert to fraction form
    229,788.65/344,692.25 = 80,044.09/x
  3. Step 3: Cross multiply
    229,788.65x = 344,692.25 × 80,044.09
  4. Step 4: Simplify right side
    229,788.65x = 27,590,576,519.52
  5. Step 5: Solve for x
    x = 27,590,576,519.52/229,788.65
  6. Step 6: Final answer
    x = 120,069.36

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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.