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Finding the Fourth Proportional to 185,236.82, 255,532.82 and 117,139.04

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Solution

The fourth proportional to 185,236.82, 255,532.82 and 117,139.04 is: 161,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,236.82 : 255,532.82 = 117,139.04 : x
  2. Step 2: Convert to fraction form
    185,236.82/255,532.82 = 117,139.04/x
  3. Step 3: Cross multiply
    185,236.82x = 255,532.82 × 117,139.04
  4. Step 4: Simplify right side
    185,236.82x = 29,932,869,223.29
  5. Step 5: Solve for x
    x = 29,932,869,223.29/185,236.82
  6. Step 6: Final answer
    x = 161,592.44

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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.