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Finding the Fourth Proportional to 226,476.72, 339,715.88 and 68,706.52

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Solution

The fourth proportional to 226,476.72, 339,715.88 and 68,706.52 is: 103,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,476.72 : 339,715.88 = 68,706.52 : x
  2. Step 2: Convert to fraction form
    226,476.72/339,715.88 = 68,706.52/x
  3. Step 3: Cross multiply
    226,476.72x = 339,715.88 × 68,706.52
  4. Step 4: Simplify right side
    226,476.72x = 23,340,695,903.54
  5. Step 5: Solve for x
    x = 23,340,695,903.54/226,476.72
  6. Step 6: Final answer
    x = 103,060.02

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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.