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Finding the Fourth Proportional to 185,429.76, 255,882.36 and 108,936.96

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Solution

The fourth proportional to 185,429.76, 255,882.36 and 108,936.96 is: 150,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.76 : 255,882.36 = 108,936.96 : x
  2. Step 2: Convert to fraction form
    185,429.76/255,882.36 = 108,936.96/x
  3. Step 3: Cross multiply
    185,429.76x = 255,882.36 × 108,936.96
  4. Step 4: Simplify right side
    185,429.76x = 27,875,046,416.03
  5. Step 5: Solve for x
    x = 27,875,046,416.03/185,429.76
  6. Step 6: Final answer
    x = 150,326.71

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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.