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Finding the Fourth Proportional to 165,046.38, 227,769.42 and 93,424.88

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Solution

The fourth proportional to 165,046.38, 227,769.42 and 93,424.88 is: 128,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,046.38 : 227,769.42 = 93,424.88 : x
  2. Step 2: Convert to fraction form
    165,046.38/227,769.42 = 93,424.88/x
  3. Step 3: Cross multiply
    165,046.38x = 227,769.42 × 93,424.88
  4. Step 4: Simplify right side
    165,046.38x = 21,279,330,731.17
  5. Step 5: Solve for x
    x = 21,279,330,731.17/165,046.38
  6. Step 6: Final answer
    x = 128,929.40

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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.