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Finding the Fourth Proportional to 178,996.38, 268,480.52 and 104,068.76

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Solution

The fourth proportional to 178,996.38, 268,480.52 and 104,068.76 is: 156,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,996.38 : 268,480.52 = 104,068.76 : x
  2. Step 2: Convert to fraction form
    178,996.38/268,480.52 = 104,068.76/x
  3. Step 3: Cross multiply
    178,996.38x = 268,480.52 × 104,068.76
  4. Step 4: Simplify right side
    178,996.38x = 27,940,434,800.56
  5. Step 5: Solve for x
    x = 27,940,434,800.56/178,996.38
  6. Step 6: Final answer
    x = 156,094.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.