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Finding the Fourth Proportional to 234,591.75, 324,003.96 and 159,009.03

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Solution

The fourth proportional to 234,591.75, 324,003.96 and 159,009.03 is: 219,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,591.75 : 324,003.96 = 159,009.03 : x
  2. Step 2: Convert to fraction form
    234,591.75/324,003.96 = 159,009.03/x
  3. Step 3: Cross multiply
    234,591.75x = 324,003.96 × 159,009.03
  4. Step 4: Simplify right side
    234,591.75x = 51,519,555,395.76
  5. Step 5: Solve for x
    x = 51,519,555,395.76/234,591.75
  6. Step 6: Final answer
    x = 219,613.67

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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.