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Finding the Fourth Proportional to 178,956.75, 246,954.02 and 98,383.70

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Solution

The fourth proportional to 178,956.75, 246,954.02 and 98,383.70 is: 135,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,956.75 : 246,954.02 = 98,383.70 : x
  2. Step 2: Convert to fraction form
    178,956.75/246,954.02 = 98,383.70/x
  3. Step 3: Cross multiply
    178,956.75x = 246,954.02 × 98,383.70
  4. Step 4: Simplify right side
    178,956.75x = 24,296,248,490.79
  5. Step 5: Solve for x
    x = 24,296,248,490.79/178,956.75
  6. Step 6: Final answer
    x = 135,766.04

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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.