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Finding the Fourth Proportional to 226,692.20, 340,051.10 and 68,925.80

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Solution

The fourth proportional to 226,692.20, 340,051.10 and 68,925.80 is: 103,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,692.20 : 340,051.10 = 68,925.80 : x
  2. Step 2: Convert to fraction form
    226,692.20/340,051.10 = 68,925.80/x
  3. Step 3: Cross multiply
    226,692.20x = 340,051.10 × 68,925.80
  4. Step 4: Simplify right side
    226,692.20x = 23,438,294,108.38
  5. Step 5: Solve for x
    x = 23,438,294,108.38/226,692.20
  6. Step 6: Final answer
    x = 103,392.59

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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.