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Finding the Fourth Proportional to 234,930.97, 352,417.72 and 66,453

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Solution

The fourth proportional to 234,930.97, 352,417.72 and 66,453 is: 99,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,930.97 : 352,417.72 = 66,453 : x
  2. Step 2: Convert to fraction form
    234,930.97/352,417.72 = 66,453/x
  3. Step 3: Cross multiply
    234,930.97x = 352,417.72 × 66,453
  4. Step 4: Simplify right side
    234,930.97x = 23,419,214,747.16
  5. Step 5: Solve for x
    x = 23,419,214,747.16/234,930.97
  6. Step 6: Final answer
    x = 99,685.52

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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.