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Finding the Fourth Proportional to 234,040.50, 322,976.70 and 126,611.04

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Solution

The fourth proportional to 234,040.50, 322,976.70 and 126,611.04 is: 174,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,040.50 : 322,976.70 = 126,611.04 : x
  2. Step 2: Convert to fraction form
    234,040.50/322,976.70 = 126,611.04/x
  3. Step 3: Cross multiply
    234,040.50x = 322,976.70 × 126,611.04
  4. Step 4: Simplify right side
    234,040.50x = 40,892,415,882.77
  5. Step 5: Solve for x
    x = 40,892,415,882.77/234,040.50
  6. Step 6: Final answer
    x = 174,723.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.