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Finding the Fourth Proportional to 255,894.66, 352,760.81 and 179,172

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Solution

The fourth proportional to 255,894.66, 352,760.81 and 179,172 is: 246,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,894.66 : 352,760.81 = 179,172 : x
  2. Step 2: Convert to fraction form
    255,894.66/352,760.81 = 179,172/x
  3. Step 3: Cross multiply
    255,894.66x = 352,760.81 × 179,172
  4. Step 4: Simplify right side
    255,894.66x = 63,204,858,953.46
  5. Step 5: Solve for x
    x = 63,204,858,953.46/255,894.66
  6. Step 6: Final answer
    x = 246,995.62

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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.