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Finding the Fourth Proportional to 234,634.50, 324,062.91 and 159,051.78

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Solution

The fourth proportional to 234,634.50, 324,062.91 and 159,051.78 is: 219,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,634.50 : 324,062.91 = 159,051.78 : x
  2. Step 2: Convert to fraction form
    234,634.50/324,062.91 = 159,051.78/x
  3. Step 3: Cross multiply
    234,634.50x = 324,062.91 × 159,051.78
  4. Step 4: Simplify right side
    234,634.50x = 51,542,782,667.48
  5. Step 5: Solve for x
    x = 51,542,782,667.48/234,634.50
  6. Step 6: Final answer
    x = 219,672.65

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1.5x scale

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.