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Finding the Fourth Proportional to 165,060.62, 227,789.12 and 93,439.16

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Solution

The fourth proportional to 165,060.62, 227,789.12 and 93,439.16 is: 128,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,060.62 : 227,789.12 = 93,439.16 : x
  2. Step 2: Convert to fraction form
    165,060.62/227,789.12 = 93,439.16/x
  3. Step 3: Cross multiply
    165,060.62x = 227,789.12 × 93,439.16
  4. Step 4: Simplify right side
    165,060.62x = 21,284,424,029.94
  5. Step 5: Solve for x
    x = 21,284,424,029.94/165,060.62
  6. Step 6: Final answer
    x = 128,949.13

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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.