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Finding the Fourth Proportional to 234,310.68, 323,348.15 and 126,880.71

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Solution

The fourth proportional to 234,310.68, 323,348.15 and 126,880.71 is: 175,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,310.68 : 323,348.15 = 126,880.71 : x
  2. Step 2: Convert to fraction form
    234,310.68/323,348.15 = 126,880.71/x
  3. Step 3: Cross multiply
    234,310.68x = 323,348.15 × 126,880.71
  4. Step 4: Simplify right side
    234,310.68x = 41,026,640,598.04
  5. Step 5: Solve for x
    x = 41,026,640,598.04/234,310.68
  6. Step 6: Final answer
    x = 175,095.06

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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.