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Finding the Fourth Proportional to 279,902.53, 386,250.96 and 159,027.04

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Solution

The fourth proportional to 279,902.53, 386,250.96 and 159,027.04 is: 219,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,902.53 : 386,250.96 = 159,027.04 : x
  2. Step 2: Convert to fraction form
    279,902.53/386,250.96 = 159,027.04/x
  3. Step 3: Cross multiply
    279,902.53x = 386,250.96 × 159,027.04
  4. Step 4: Simplify right side
    279,902.53x = 61,424,346,865.96
  5. Step 5: Solve for x
    x = 61,424,346,865.96/279,902.53
  6. Step 6: Final answer
    x = 219,449.06

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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.