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Finding the Fourth Proportional to 185,476.44, 255,876.20 and 108,961.01

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Solution

The fourth proportional to 185,476.44, 255,876.20 and 108,961.01 is: 150,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,476.44 : 255,876.20 = 108,961.01 : x
  2. Step 2: Convert to fraction form
    185,476.44/255,876.20 = 108,961.01/x
  3. Step 3: Cross multiply
    185,476.44x = 255,876.20 × 108,961.01
  4. Step 4: Simplify right side
    185,476.44x = 27,880,528,730.92
  5. Step 5: Solve for x
    x = 27,880,528,730.92/185,476.44
  6. Step 6: Final answer
    x = 150,318.43

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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.