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Finding the Fourth Proportional to 188,714.52, 283,139.88 and 95,149.80

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Solution

The fourth proportional to 188,714.52, 283,139.88 and 95,149.80 is: 142,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,714.52 : 283,139.88 = 95,149.80 : x
  2. Step 2: Convert to fraction form
    188,714.52/283,139.88 = 95,149.80/x
  3. Step 3: Cross multiply
    188,714.52x = 283,139.88 × 95,149.80
  4. Step 4: Simplify right side
    188,714.52x = 26,940,702,954.02
  5. Step 5: Solve for x
    x = 26,940,702,954.02/188,714.52
  6. Step 6: Final answer
    x = 142,759.04

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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.