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Finding the Fourth Proportional to 234,350.70, 323,400.14 and 126,919.80

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Solution

The fourth proportional to 234,350.70, 323,400.14 and 126,919.80 is: 175,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,350.70 : 323,400.14 = 126,919.80 : x
  2. Step 2: Convert to fraction form
    234,350.70/323,400.14 = 126,919.80/x
  3. Step 3: Cross multiply
    234,350.70x = 323,400.14 × 126,919.80
  4. Step 4: Simplify right side
    234,350.70x = 41,045,880,454.17
  5. Step 5: Solve for x
    x = 41,045,880,454.17/234,350.70
  6. Step 6: Final answer
    x = 175,147.25

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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.