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Finding the Fourth Proportional to 305,921.88, 458,947.62 and 95,575.68

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Solution

The fourth proportional to 305,921.88, 458,947.62 and 95,575.68 is: 143,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,921.88 : 458,947.62 = 95,575.68 : x
  2. Step 2: Convert to fraction form
    305,921.88/458,947.62 = 95,575.68/x
  3. Step 3: Cross multiply
    305,921.88x = 458,947.62 × 95,575.68
  4. Step 4: Simplify right side
    305,921.88x = 43,864,230,865.88
  5. Step 5: Solve for x
    x = 43,864,230,865.88/305,921.88
  6. Step 6: Final answer
    x = 143,383.76

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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.