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Finding the Fourth Proportional to 226,385, 339,060.42 and 108,140

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Solution

The fourth proportional to 226,385, 339,060.42 and 108,140 is: 161,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,385 : 339,060.42 = 108,140 : x
  2. Step 2: Convert to fraction form
    226,385/339,060.42 = 108,140/x
  3. Step 3: Cross multiply
    226,385x = 339,060.42 × 108,140
  4. Step 4: Simplify right side
    226,385x = 36,665,993,818.80
  5. Step 5: Solve for x
    x = 36,665,993,818.80/226,385
  6. Step 6: Final answer
    x = 161,963.00

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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.