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Finding the Fourth Proportional to 192,097.56, 288,247.86 and 136,298.28

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Solution

The fourth proportional to 192,097.56, 288,247.86 and 136,298.28 is: 204,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,097.56 : 288,247.86 = 136,298.28 : x
  2. Step 2: Convert to fraction form
    192,097.56/288,247.86 = 136,298.28/x
  3. Step 3: Cross multiply
    192,097.56x = 288,247.86 × 136,298.28
  4. Step 4: Simplify right side
    192,097.56x = 39,287,687,531.68
  5. Step 5: Solve for x
    x = 39,287,687,531.68/192,097.56
  6. Step 6: Final answer
    x = 204,519.45

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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.