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Finding the Fourth Proportional to 502,239.96, 753,344.15 and 123,161.85

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Solution

The fourth proportional to 502,239.96, 753,344.15 and 123,161.85 is: 184,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,239.96 : 753,344.15 = 123,161.85 : x
  2. Step 2: Convert to fraction form
    502,239.96/753,344.15 = 123,161.85/x
  3. Step 3: Cross multiply
    502,239.96x = 753,344.15 × 123,161.85
  4. Step 4: Simplify right side
    502,239.96x = 92,783,258,584.87
  5. Step 5: Solve for x
    x = 92,783,258,584.87/502,239.96
  6. Step 6: Final answer
    x = 184,738.90

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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.