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Finding the Fourth Proportional to 195,710.76, 270,046.44 and 123,073.20

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Solution

The fourth proportional to 195,710.76, 270,046.44 and 123,073.20 is: 169,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,710.76 : 270,046.44 = 123,073.20 : x
  2. Step 2: Convert to fraction form
    195,710.76/270,046.44 = 123,073.20/x
  3. Step 3: Cross multiply
    195,710.76x = 270,046.44 × 123,073.20
  4. Step 4: Simplify right side
    195,710.76x = 33,235,479,519.41
  5. Step 5: Solve for x
    x = 33,235,479,519.41/195,710.76
  6. Step 6: Final answer
    x = 169,819.38

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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.