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Finding the Fourth Proportional to 305,856.69, 458,789.65 and 106,183.42

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Solution

The fourth proportional to 305,856.69, 458,789.65 and 106,183.42 is: 159,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,856.69 : 458,789.65 = 106,183.42 : x
  2. Step 2: Convert to fraction form
    305,856.69/458,789.65 = 106,183.42/x
  3. Step 3: Cross multiply
    305,856.69x = 458,789.65 × 106,183.42
  4. Step 4: Simplify right side
    305,856.69x = 48,715,852,685.17
  5. Step 5: Solve for x
    x = 48,715,852,685.17/305,856.69
  6. Step 6: Final answer
    x = 159,276.73

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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.