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Finding the Fourth Proportional to 159,793.56, 239,612.58 and 84,949.56

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Solution

The fourth proportional to 159,793.56, 239,612.58 and 84,949.56 is: 127,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,793.56 : 239,612.58 = 84,949.56 : x
  2. Step 2: Convert to fraction form
    159,793.56/239,612.58 = 84,949.56/x
  3. Step 3: Cross multiply
    159,793.56x = 239,612.58 × 84,949.56
  4. Step 4: Simplify right side
    159,793.56x = 20,354,983,241.46
  5. Step 5: Solve for x
    x = 20,354,983,241.46/159,793.56
  6. Step 6: Final answer
    x = 127,383.00

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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.