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Finding the Fourth Proportional to 234,568.07, 352,339.52 and 189,640.20

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Solution

The fourth proportional to 234,568.07, 352,339.52 and 189,640.20 is: 284,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,568.07 : 352,339.52 = 189,640.20 : x
  2. Step 2: Convert to fraction form
    234,568.07/352,339.52 = 189,640.20/x
  3. Step 3: Cross multiply
    234,568.07x = 352,339.52 × 189,640.20
  4. Step 4: Simplify right side
    234,568.07x = 66,817,736,092.50
  5. Step 5: Solve for x
    x = 66,817,736,092.50/234,568.07
  6. Step 6: Final answer
    x = 284,854.36

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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.