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Finding the Fourth Proportional to 226,553.75, 339,808.68 and 68,783.57

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Solution

The fourth proportional to 226,553.75, 339,808.68 and 68,783.57 is: 103,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,553.75 : 339,808.68 = 68,783.57 : x
  2. Step 2: Convert to fraction form
    226,553.75/339,808.68 = 68,783.57/x
  3. Step 3: Cross multiply
    226,553.75x = 339,808.68 × 68,783.57
  4. Step 4: Simplify right side
    226,553.75x = 23,373,252,428.34
  5. Step 5: Solve for x
    x = 23,373,252,428.34/226,553.75
  6. Step 6: Final answer
    x = 103,168.69

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1.5x scale

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.